Add List Comprehensions content

[meashishpatel]

Issue: Add List Comprehensions content

Description

I would like to contribute content on List Comprehensions under the Advanced Python section. The content will cover:

• Basic syntax of list comprehensions.
• Examples of simple and conditional list comprehensions.
• Advantages of using list comprehensions.

This content will be added to the advanced-python folder. Please assign this issue to me so I can start working on it. Thank you!