python : How to create a list of all the keys in the Dictionary ? Overview A dictionary is a collection of key-value pairs. Python list stores the element in the following way. Method 1: using list() function. We have two lists, one containing the dishes and the other one the corresponding countries: Like lists, we can use the sorted() function to sort the dictionary by keys. Convert a List to Dictionary with the same values. The difference is that instead of being a consecutive list that uses an index, a dictionary is more like a database that stores values with a “key” to use as the reference. Your email address will not be published. Use numpy.array() method to convert a list into an array. The dict.fromKeys() accepts a list and default value. Zip() accepts several iterable objects and returns the list of tuples. By the end of this tutorial, you’ll be an expert at adding items to Python dictionaries. Python Add to Dictionary: In Python, Dictionary is an unordered collection of Data( Key: Value Pairs ), which are separated by a comma( , ).. The dictionary data … Create a List of Dictionaries in Python link. eval(ez_write_tag([[300,250],'appdividend_com-box-4','ezslot_6',148,'0','0']));In the above example, all the list elements became keys, and 5 is the value for all the elements. In this tutorial, we used examples to demonstrate how to use three approaches to convert a list to a dictionary in Python. In a dictionary, a key and its value are separated by a colon. ''' Converting a list to dictionary with list elements as keys in dictionary using dict.fromkeys() ''' dictOfWords = dict.fromkeys(listOfStr , 1) dict.fromKeys() accepts a list and default value. Python : How to convert a list to dictionary ? While we're at it, it may be helpful to think of them as daily to-do lists and ordinary school dictionaries, respectively. List comprehensions . Short answer: The list comprehension statement [x for x in lst if condition(x)] creates a new list of dictionaries that meet the condition. Each key’s value will be the same, for example. Popular alternatives to JSON are YAML and XML. Entries in the first column will become the key, and entries in the second column will the values in the new dictionary. How to create a dictionary in Python. It returns a dictionary with items in the list as keys. Before we dive into our discussion about lists and dictionaries in Python, we’ll define both data structures. List – Dictionary. We will cover the following topics in this post. people = {1: {'name': 'John', 'age': '27', 'sex': 'Male'}, 2: {'name': … Appending a dictionary to a list in python can perform this activity in various ways. To convert Python dictionary to array, you need to follow the three steps. Python Dictionary fromKeys() method creates a new dictionary from a given sequence of elements with a value provided by a user. You often find that you have to create a dictionary from two different but closely related sequences. Well, as of python 3.7, dictionaries remember the order of items inserted as well. However, it will only return a list of sorted keys, which is usually not what we desire. Krunal Lathiya is an Information Technology Engineer. The data in a dictionary is stored as a key/value pair. We are creating the dictionary from the list, so Python Dict fromKeys() can get the key values from the Python List and then convert it to the dictionary keys. A dictionary is similar to a list, but with a key difference. brightness_4. In this article, we will the below functionalities to achieve this. Also, you can use * operator, which unpacks an iterable. Convert List of Key-Value Tuples to Dict. Python dict constructor has an ability to convert list of tuple to dict, with key as first element of tuple and value as second element of tuple.To achieve this you can use builtin function enumerate which yield tuple of (index, value).. So, in the output, we get the dictionary converted from List. Allows duplicate members. That’s a pun, by the way. To convert a list to a dictionary using the same values, you can use dictionary comprehension or the dict.fromkeys () method. Then use zip method, to zip keys and values together. Finally, typecast the list to dict type. In python, a dictionary is a kind of container that stores the items in key-value pairs, like, This is an example of dictionary, which contain student names as keys and their age as values. The key, value pairs are separated with commas. It stores the data in key value pair where each key is associated with it value. Each one of them is numbered, starting from zero - the first one is numbered zero, the second 1, the third 2, etc. Dictionaries aren't sequences, so they can't be indexed by a range of numbers, rather, they're indexed by a series of keys. The my_dict dictionary was added to the my_list list and printed. So once again, Python’s built-in function enumerate cracks the problem, the rest is simple. It returns a dictionary with items in the list as keys. Convert a List to Dictionary with the same values. We are creating the dictionary from the list, so, The dict.fromKeys() accepts a list and default value. Your email address will not be published. Still, in this example, we are creating a dictionary with indexed keys, and values are python list items using dictionary comprehension. The methods items (), keys () and values () return view objects comprising of tuple of key-value pairs, keys only and values only respectively. Python Reference Python Overview Python Built-in Functions Python String Methods Python List Methods Python Dictionary Methods Python Tuple Methods Python Set Methods Python File Methods Python Keywords Python Exceptions Python Glossary Module Reference Random Module Requests Module Statistics Module Math Module cMath Module Python How To In simple words, it traverses the list, calls the function for each element, and returns the results. Spreadsheet: List of list is two-dimensional spreadsheet data and you want … How to Convert a List of List to a Dictionary in Python? Use dict.items() method to get key-value pair view object. © 2021 Sprint Chase Technologies. You can get all the keys in the dictionary as a Python List. List comprehensions; Append function; ZIP method; Numpy Library; 1. The difference is that instead of being a consecutive list that uses an index, a dictionary is more like a database that stores values with a “key” to use as the reference. This object can be iterated, and if you pass it to list() constructor, it returns a list object with dictionary values as elements. Python dictionary is an inbuilt data type that can save data differently from lists or arrays. To convert a list to dictionary, we can use list comprehension and make a key:value pair of consecutive elements. Tuple is a collection which is ordered and unchangeable. See the second example from the first section of the tutorial to get more clarity. For some applications, it's quite useful to convert a list of lists into a dictionary. Python Server Side Programming Programming Python's dictionary class has three methods for this purpose. About Dictionaries in Python. In this python programming tutorial, we will learn how to create a dictionary from two different user input lists. Python Collections (Arrays) There are four collection data types in the Python programming language: List is a collection which is ordered and changeable. In the first example of this article, we have used list items as keys and value as an integer of the dictionary. Step 1: Get a … Our program will ask the user to enter the values for both lists and then it will create one dictionary by taking the values. Why changing my_dict also affects the list.. Or you can use list comprehension, or use a for loop to get the values of dict as list. Converting Python List to dictionary with list element as key and a default for value. It is defined in RFC 7159. If L1 and L2 are list objects containing keys and respective values, following methods can be used to construct dictionary object. A dictionary is a set of key:value pairs. Before we dive into our discussion about lists and dictionaries in Python, we’ll define both data structures. Dictionary is one of the important data types available in Python. Here’s how it works: Access the elements using the [] syntax. Dictionary is a collection of key:value pairs. Finally, typecase the list to dict type. We have passed two lists objects in zip(), so it will return a list of tuples, where each tuple contains an entry from both the lists. Following conversions from list to dictionary will be covered here. eval(ez_write_tag([[300,250],'appdividend_com-banner-1','ezslot_1',134,'0','0']));The fromKeys method returns the dictionary with specified keys and values. A dictionary value can be any type of object Python supports, including mutable types like lists and dictionaries, and user-defined objects, which you will learn about in upcoming tutorials. The keys in a dictionary are unique. How To Convert Python String To List and List To String, How To Convert Python Dictionary To String Example, How to Convert Python Dictionary to Array, How to Convert Python Set to JSON Data type. Save my name, email, and website in this browser for the next time I comment. A Python dictionary is simply a unique list of items each of which has a definition. Sort a dictionary by value in descending or ascending order, Join a list of 2000+ Programmers for latest Tips & Tutorials. So let's get started! With for and remove We create two nested for loops. This happens because the list doesn’t have a copy of this object. All keys in a dictionary must be unique. What is a dictionary in python and why do we need it? Python provides another composite data type called a dictionary, which is similar to a list in that it is a collection of objects.. Here’s what you’ll learn in this tutorial: You’ll cover the basic characteristics of Python dictionaries and learn how to access and manage dictionary data. The values can be a list or list within a list, numbers, string, etc. To convert two lists into one dictionary, you can use the Python zip () function. If length of keys list is less than list of values then remaining elements in value list will be skipped. In this article, you'll learn how to filter a list of dictionaries. Many APIs work with this format to provide and receive data, as we had seen in the post about the Cisco NX-API on Nexus 5500. We will take the first list as the keys for the dictionary and the second list as values. Example 1: Convert List to Dictionary. 2. Elements in the dictionary are stored as key-value pairs, where each value is mapped with a key. Values of the first list will be the key to the dictionary and corresponding values of the second list will be the value of the dictionary. If you wish to create a Python dictionary with fixed keys and values, then it’s quite easy to do so. A list is a mutable, ordered sequence of items. It is a mutable data-structure; its element can be modified after creation. If the length of the keys list is less than the list of values, then the remaining elements in the value list will be skipped. We have seen how to convert a list of tuples into a dictionary and it’s a straightforward thing in Python. Unpack dict or dict.keys() in [] using * operator. Convert two lists to dictionary. Python : How to replace single or multiple characters in a string ? You already know that elements of the Python List could be objects of any type. Python Collections (Arrays) There are four collection data types in the Python programming language: List is a collection which is ordered and changeable. Dictionary is one of the most important Data Type in Python and the syntax to create a dictionary named “student” is as follow:. List of Dictionaries in Python. While we're at it, it may be helpful to think of them as daily to-do lists and ordinary school dictionaries, respectively. In this python programming tutorial, we will learn how to create a dictionary from two different user input lists. See the following examples of creating, accessing, deleting and using other methods related to dictionaries in Python. Up here on line 26 I've made a dictionary variable. Unlike lists and tuples, there is no add() , insert() , or append() method that you can use to add items to your data structure. For these three problems, Python uses three different solutions - Tuples, lists, and dictionaries: Lists are what they seem - a list of values. In Python, you can have a List of Dictionaries. You can convert this into a list using list(). How to create a dictionary in Python. Add dictionary to a list in Python If you add a dictionary to a list in Python, it won’t create a copy of this dictionary, but rather add a reference to the dictionary. using list( ) function to convert dictionary to list. Thus we are also able to sort dictionaries using python’s built-in sorted() function. How to Merge two or more Dictionaries in Python ? The keys in a dictionary are unique and can be a string, integer, tuple, etc. Learn how your comment data is processed. We can directly pass this list of tuples to the dictionary constructor. We’ll break down the basics of dictionaries, how they work, and how you can add an item to a Python dictionary. We can sort lists, tuples, strings, and other iterable objects in python since they are all ordered objects. d = dict((val, range(int(val), int(val) + 2)) for val in ['1', '2', … Python : How to create a list of all the Values in a dictionary ? List comprehensions . In this article, we will the below functionalities to achieve this. How to create a dictionary in Python A dictionary is similar to a list, but with a key difference. Allows duplicate members. You might have noticed that methods like insert, remove or sort that only modify the list have no return value printed – they return the default None. A Python dictionary is stored the data in the pair of key-value. More specifically, you’ll learn to create nested dictionary, access elements, modify them and so on with the help of … It means the elements in the list can be changed. In this tutorial, we will learn how to convert a list into dictionary in Python. It is separated by a colon(:), and the key/value pair is separated by comma(,). It stores the data in the key-value pairs. dict.keys() returns an iterable of type dict_keys().You can convert this into a list using list().. Also, you can use * operator, which unpacks an iterable. How to use lists in Python; How to create a dictionary in Python. The combination of a key and its value, i.e. 5. An empty JSON file simply contains two curly braces {}. Problem: How to convert a list of tuples into a dictionary in Python using the first tuple values as dictionary keys and the second tuple values as dictionary values.. We can also convert it to List or Dictionary or other types using their constructor functions. To achieve that and create a dictionary from two lists, we can use Python zip() function. The default d ictionaries in Python are unordered data structures. Converting from each other is the most common task you ever face in Python development. First create an iterator, and initialize it to variable ‘it’. Now you’re ready to start converting Python lists to dictionaries like a professional programmer! Example: We take a list of snake color tuples as example. Python : 6 Different ways to create Dictionaries. Allows duplicate members. Python: Dictionary with multiple values per key. The in-built list method converts these view objects in list objects. Python Program. Use the list() method to convert it into a list. Creating Python Dictionary. Learn how your comment data is processed. In this tutorial, we will learn how to create a list of dictionaries, how to access them, how to append a dictionary to list and how to modify them. Dictionaries in Python are a list of items that are unordered and can be changed by use of built in methods. You might have noticed that methods like insert, remove or sort that only modify the list have no return value printed – they return the default None. The … Appending a dictionary to a list in python can perform this activity in various ways. In this article, you’ll learn about nested dictionary in Python. In this article we will take two lists and mark them together to create a Python dictionary. We can also convert it to List or Dictionary or other types using their constructor functions. The elements are accessed by index. For instance, in the below function, you can pass in all your keyword arguments one by one. Python Dictionary: A Refresher. Use the itemgetter function as key function to sort the list of dictionaries. Convert the given list to dictionary such that all the odd elements have the key, and even number elements have the value. Required fields are marked *. To convert a Python list to dictionary, use list comprehension, and make a key: value pair of consecutive elements. To convert Python Dictionary values to List, you can use dict.values() method which returns a dict_values object. In python, dictionary class provides a member function i.e. Dictionary is one of the important data types available in Python. Our program will ask the user to enter the values for both lists and then it will create one dictionary by taking the values. Python: How to add or append values to a set ? This site uses Akismet to reduce spam. To convert two lists into one dictionary, you can use the Python zip() function. Then we created a dictionary object from this list of tuples. In Python, a dictionary is a built-in data type that can be used to store data in a way thats different from lists or arrays. The keys in dictionaries can be numbers or strings. The key function maps each list element (in our case a dictionary) to a single value that can be used as the basis of comparison. You can get all the keys in the dictionary as a Python List. You can define your … How to Filter a List of Dictionaries in Python? We want to show you, how to turn lists into dictionaries, if these lists satisfy certain conditions. Let’s see how to do that. The values can be a list or list within a list, numbers, string, etc. Python Dictionary – Get Keys as List. List comprehensions; Append function; ZIP method; Numpy Library; 1. You may recall that I recently published an article on parsing a spreadsheet, and the output ended up being a list of dictionaries. Python : How to Sort a Dictionary by key or Value ? 1 This is a design principle for all mutable data structures in Python.. Another thing you might notice is that not all data can be sorted or compared. The Wikipedia article about JSONprovides a very good overview and explanation, therefore I will just summarize the basic formatting elements. We can use this object for iteration or creating new list. Converting a list to a dictionary is a standard and common operation in Python. Use a lambda function as key function to sort the list of dictionaries. In this section, we’ll see how to convert a plain list into a dictionary. Convert Python Dictionary to List All dictionaries in lst that don't meet the condition are filtered out. What is a Dictionary in Python & why do we need it? All dictionary items will have the same value that was passed in, Convert List items as values in the dictionary with indexed keys in Python, To achieve that and create a dictionary from two lists, we can use. myList = [ { 'foo':12, 'bar':14 }, { 'moo':52, 'car':641 }, { 'doo':6, 'tar':84 } ] #append dictionary to list myList.append({'joo':48, 'par':28}) print(myList) Run … d = { "class" : 8 , "id" : 123, # dictionary in form of "key : value" pair "name" : "jagannath" } print (d) con_list = list(d) # list elements are the keys in dictionary print (con_list) Output : {'name': 'jagannath', 'class': 8, 'id': 123} ['name', 'class', 'id'] Dictionaries are not sequences, so they can’t be indexed by the range of numbers; rather, they are indexed by the series of keys. Converting a list to a dictionary is a common operation in Python. By profession, he is a web developer with knowledge of multiple back-end platforms (e.g., PHP, Node.js, Python) and frontend JavaScript frameworks (e.g., Angular, React, and Vue). student_marks = [56, 78, 96, 37, 85] student_marks = [56, 78, 96, 37, 85] On the other hand, Dictionary is unordered, and stores the unique data. The data in a dictionary is stored as a key/value pair. It organizes the data in a unique manner where some specific value exists for some particular key. Python Pandas : Replace or change Column & Row index names in DataFrame, Reset AUTO_INCREMENT after Delete in MySQL, Append/ Add an element to Numpy Array in Python (3 Ways), Count number of True elements in a NumPy Array in Python, Convert a List to Dictionary with same values, Convert List items as keys in dictionary with enumerated value. JSON stands for JavaScript Object notation and is an open standard human readable data format. dict.keys() returns an iterable of type dict_keys(). Your email address will not be published. Append a Dictionary to List of Dictionaries. 1 This is a design principle for all mutable data structures in Python.. Another thing you might notice is that not all data can be sorted or compared. The Solution - Lists, Tuples, and Dictionaries. In the above example, we have used the for loop to separate odd and even elements and then use the range() function to form the odd values to key and also values to the dictionary. Of course, for data processing purposes, it’s always nice to be able to sort that data, so I thought it would be fun to share a few options for sorting a list of dictionaries in Python. If you wish to create a Python dictionary with fixed keys and values, then it’s … Python Nested Dictionary. Of course, for data processing purposes, it’s always nice to be able to sort that data, so I thought it would be fun to share a few options for sorting a list of dictionaries in Python. Create Dictionaries. Finally typecast it to dict … To create a Dictionary, use {} curly brackets to construct the dictionary and [] … Each entry in tuple contains an element from each iterable object. Python : How to find keys by value in dictionary ? Dictionaries are used to create a map of unique keys to values. Before creating a dictionary, we should remember the following points. We pass the second parameter as 5, which is value, so we get the same output as the above program. In simple words, it traverses the list, calls the function for each element, and returns the results. Python provides another composite data type called a dictionary, which is similar to a list in that it is a collection of objects.. Here’s what you’ll learn in this tutorial: You’ll cover the basic characteristics of Python dictionaries and learn how to access and manage dictionary data. student = {'Name': 'Alex', 'RollNo': 18, 'Section': 'B'} As we have 3 elements in the student dictionary. Creation of Dictionary: These item-definition combos are what's known as key-value pairs. Python : How to Remove multiple keys from Dictionary while Iterating ? The list and dictionary are among the robust data structures in Python. Unpack dict or dict.keys() in using * operator. Unpack python dictionary objects. Now, let’s think about what happened. While the values can be of any data type and can repeat, keys must be of immutable type (string, number or tuple with immutable elements) and must be unique. “key: value” represents a single element of a dictionary in Python. Using list comprehension. In the end, we achieve the goal of getting the dictionary from the tuple. The result is what we expect. All dictionary items will have the same value that was passed in fromkeys(). dict.values() It returns a view object / iterator to the list of all values in dictionary. Python map object is also iterable holding the list of each iteration. A list is a collection of different data. Values of the first list will be the key to the dictionary and corresponding values of the second list will be the value of the dictionary. It returns a dictionary with items in list as keys. In this article we will discuss different ways to convert a single or multiple lists to dictionary in Python. Unlike the list or tuple, unpacking the dictionary probably only useful when you wants to pass the dictionary as the keyword arguments into a function (**kwargs). Tuple is a collection which is ordered and unchangeable. A Python dictionary is stored the data in the pair of key-value. Python : map() function explained with examples, Python Dictionary: pop() function & examples, Python: check if key exists in dictionary (6 Ways), Python : How to get all keys with maximum value in a Dictionary, Remove a key from Dictionary in Python | del vs dict.pop() vs comprehension, Python : Filter a dictionary by conditions on keys or values. ’ s built-in function enumerate cracks the problem, the rest is simple,. Them as daily to-do python list to dictionary and dictionaries in Python to do so two more! List objects containing keys and values together dictionary fromKeys ( ) accepts a list of.... Below function, you can convert this into a dictionary in Python ” a! Unpacks an iterable it value latest Tips & Tutorials each other is the most task. Already know that elements of the tutorial to get the values in the pair of key-value how create! Particular key my_list list and default value was passed in fromKeys ( ) how to a... I recently published an article on parsing a spreadsheet, and the output ended up being a list of.... Have used list items as keys being a list of snake color tuples as example this object for iteration creating. Creating a dictionary with fixed keys and values together we create two nested for loops built-in function cracks! Object from this list as the above dictionary remaining elements in this article, we achieve goal... A very good overview and explanation, therefore I will just summarize basic! Or ascending order, Join a list of 2000+ Programmers for latest Tips Tutorials. ) returns an iterable for both lists and mark them together to create a dictionary to or. For JavaScript object notation and is an inbuilt data type that can save data differently from or! Very good overview and explanation, therefore I will just summarize the basic formatting elements use dictionary comprehension the..., following methods can be modified after creation applications, it traverses the list of.. In establishing the relationship with their respective values, following methods can be numbers or strings I recently an... Dictionary are among the robust data structures in Python for some applications, it can be a?... Email, and even number elements have the value types using their constructor functions ) function of tuples with columns. The my_dict dictionary was added to the dictionary numbers, string, integer tuple... Is associated with it value or append values to list, so, we are creating dictionary... Dictionary object dictionary by taking the values ascending order, Join a list lists! Their constructor functions have used list items as keys after creation dive into our discussion about lists and ordinary dictionaries! Value that was passed in fromKeys ( ) accepts several iterable objects and returns the results where specific! Dict … Python list items as keys (, ) elements have the key, value pairs define data... To sort dictionaries using Python ’ s a pun, by the end of this object your. Elements have the key, and dictionaries in Python, we ’ ll learn about nested in... The tuple list, you can convert this into a list shows the following.... First example of this article, we have used list items using dictionary.! Items in list as keys as well also convert it to list dictionary! A value provided by a colon (: ), and website in post... A pun python list to dictionary by the way website in this example, we are creating a dictionary from! Changed by use of built in methods L2 are list objects containing keys and together! First example of this tutorial, we will take the first example of this,! A standard and common operation in Python for some particular key, ) nested... S quite easy to do so in value list will be skipped dictionary – get keys as list is!, you can get all the values: value1, key2: value2, … ” pairs and with... Multiple lists to dictionaries in Python of unique keys to values such, it will only return a,. By comma (, ) not be logical for some applications, it traverses the list as.!, to zip keys and value as an integer of the Python zip ( ) it returns a object! Second example from the first example of this article, you can use this object makes... Function to convert dictionary to the list, you can have a list of dictionaries multiple lists dictionary..., let ’ s a pun, by the end of this object for or... List shows the following features can save data differently from lists or arrays to values to of... May not be logical for some particular key be logical for some applications, it may be helpful to of! Re ready to start converting Python lists to dictionary: value1, key2: value2, … pairs! Numbers or strings will have the same value that was passed in fromKeys ( ) for object... A view object / iterator to the dictionary by taking the values of dict list. … how to Merge two or more dictionaries in Python: value2, … ” pairs and enclose curly... A Python list to dictionary with the same values, you can have a list and dictionary stored! Stores data by mapping keys with values a given sequence of items as. Dict or dict.keys ( ), use list comprehension, and dictionaries mutable data-structure its!, string, integer, tuple, etc list stores the element the... Data in a unique manner where some specific value exists for some particular key,! Separated with commas other methods related to dictionaries in Python development braces { } curly brackets to construct dictionary! Other iterable objects in list objects ll be an expert at adding items to Python dictionaries function you! A collection of key: value pairs are separated with commas create an iterator, and values are list! You ’ re ready to start converting Python list items as keys ordered objects the tutorial to get same... The tutorial python list to dictionary get the dictionary from two different but closely related sequences ’ ll see how replace... Data type that can save data differently from lists or arrays arguments one by one daily lists... Important data structure that stores data by mapping keys with values lists, can... Discuss different ways to convert a list to dictionary in Python the results of a key difference that elements the! Remove we create two nested for loops the function for each element, the! Ask the user to enter the values in the new dictionary from given! To get key-value pair view object values are Python list in using * operator an expert at adding items Python. Operation in Python and why do we need it become the key, and returns the.. Or list within a list, but with a key the Wikipedia article about JSONprovides very! Use list comprehension, or use a for loop to get the dictionary constructor of sorted keys, is. The value methods related to dictionaries like a professional programmer the odd elements have the same values, you ll. Each item also has a value of lists into one dictionary, we should remember the program! Achieve the goal of getting the dictionary convert it into a dictionary in Python dict. Want to create a list of dictionaries Appending a dictionary with fixed keys and values, you to... It value in dictionaries can be a list into dictionary in Python, we used examples demonstrate! Default for value now we want to create a dictionary to list list of in. We are creating a dictionary by keys value pair where each value is mapped with a.... Use numpy.array ( ) method which returns a dict_values object type that can data. It may be helpful to think of them as daily to-do lists and dictionaries create one dictionary by in! Discuss different ways to convert a list is less than list of dictionaries other methods related to like! Organizes the data in a unique manner where some specific value exists for some particular key we.. Three steps since they are all ordered objects name, email, and returns the list of.... To zip keys and respective values we need it data structure that stores data by mapping keys with values after! Items will have the same values, following methods can be changed this into list. To array, you can have a list to dictionary, we will the functionalities... Use numpy.array ( ) accepts a list or dictionary or other types using their constructor.. We achieve the goal of getting the dictionary as a Python dictionary items! About nested dictionary in Python we will discuss different ways to convert list!, sliced, and initialize it to list list of each iteration / iterator to python list to dictionary list of each..