What is list comprehension?

List comprehension is a really neat feature in Python that lets you create lists in a very concise and readable way.

In Python, a list comprehension allows you to create a new list by applying an expression to each item in an existing list, and optionally filtering those items using a condition. It’s both powerful and easy to read once you get the hang of it.

Suppose you want to filter out all the odd numbers from a list using list comprehension. Let’s dive into it with a step-by-step breakdown:

# Here's your list of numbers
numbers = [12, 17, 28, 19, 11]

# Using list comprehension to extract only the odd numbers
odd_numbers = [number for number in numbers if number % 2 != 0]

# Now, print the new list
print(odd_numbers)

In the list comprehension above:

• The part number for number in numbers is similar to using a for loop to go through each element in numbers.

• We then use the condition if number % 2 != 0 to filter out only the odd numbers. Here, number % 2 != 0 checks if a number is odd (since odd numbers don't divide evenly by 2).

So, the result stored in odd_numbers will be [17, 19, 11], which are the odd numbers from the original list.

Hope this helps! Feel free to ask more questions if anything is unclear or if you want more examples.