Convert List to Dictionary in Python by MarsDevs
Convert List to Dictionary in Python by MarsDevs

Convert List to Dictionary in Python by MarsDevs

In this article, we will present steps that help you convert a Python List to a Dictionary using different methods or processes.

Convert List to Dictionary in Python

List and Dictionary are both widely used data types in Python. In a List, data is stored in the form of an array, whereas in a Dictionary, the data is stored in the form of key-value pairs.?

There are different ways of converting a list to a dictionary in python, like using the counter(), zip(), and enumerate() methods.

Now let's discuss why there is a need to convert a list to a dictionary

  • Suppose we have a list of subjects opted for by a class, and we need to count the frequency of each subject appearing in the list. We can fulfill this use case by converting this list to a dictionary.
  • Now let’s take another use case. We have one list containing alphabets and the second list containing their ASCII values. Our use case is to map the alphabet against their ASCII values. In this case, we need to convert the lists into a dictionary.

Convert List to Dictionary in Python

Now, let's discuss some examples of lists and dictionaries to get a better understanding of both topics.

Convert List to Dictionary in Python-2

We are going to learn about the different methods used for converting a list into a dictionary.

(i) Using Dictionary Comprehension

Dictionary Comprehension is a very powerful method, used for converting one dictionary to another. While performing this comprehension i.e., transforming one dictionary to another, the data can be included or excluded, conditionally, into the new dictionary.

Let’s look at the example of dictionary comprehension

Convert List to Dictionary in Python-3

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