How To Assign Values To List In Python

In this tutorial, you will learn how to efficiently assign values to lists in Python. Lists are mutable sequences of items that are commonly used to represent ordered sets of data.

Each item in a list can be assigned a value, and you can manipulate these values using various methods provided by Python.

Step 1: Create a New List

Firstly, create an empty list using square brackets ‘[]’.

Alternatively, you can create a list with some initial values by specifying them between the square brackets, separated by commas.

Step 2: Assign Values Using Indexing

You can use indexing to assign values to individual items in the list. In Python, list indices start from 0, so the first element is referenced using index 0, the second element with index 1, and so on.

To access the ith element of a list, use the syntax my_list[i].

Step 3: Use the append() and extend() Methods

Sometimes you might want to add new elements to the end of an existing list. The append() method allows you to do this.

To add multiple elements to the end of a list, use the extend() method followed by another list containing the values to be added.

Step 4: Use the insert() Method

To insert a value at a specific index in the list, use the insert() method followed by the index and value. This will shift all the subsequent elements to the right.

Step 5: Assign Values Using List Comprehension

List comprehensions are a concise way to create a new list with assigned values, based on either an existing list or a specified range.

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Conclusion

In this tutorial, you learned various methods for assigning values to lists in Python, including indexing, append(), extend(), insert(), and list comprehension. Now, you should be able to manipulate lists with ease and use them to store and manage your data effectively.