What are list comprehensions

List comprehensions are a concise way to create lists in Python. They provide a shorter syntax for generating lists, allowing you to create them in a single, readable line. This feature not only makes your code cleaner but also more efficient in terms of execution speed. Typically, they consist of brackets containing an expression followed by a `for` clause, and can include multiple `for` and `if` clauses.

For example, you can create a list of squares for numbers from 0 to 9 using a list comprehension:

This will produce the list: