List Comprehension in Python | Write Short and Clean Python Code
In this Python lesson, we learn List Comprehension in Python step by step.
List comprehension is a short and powerful way to create new lists from existing lists, ranges, or conditions. Instead of writing many lines using a for loop, we can write clean and readable Python code in one line.
In this video, we cover:
1. What is list comprehension?
2. Why do we use list comprehension?
3. Creating squares of numbers
4. Using list comprehension with range()
5. Comparing normal for loops with list comprehension
6. Writing clean and Pythonic code
Example:
nums = [1, 2, 3, 4, 5]
squares = [x*x for x in nums]
print(squares)
Output:
[1, 4, 9, 16, 25]
This lesson is useful for Python beginners, school students, coding learners, and anyone preparing for Data Structures and Algorithms using Python.
Keep practicing. Keep coding. Keep improving.
Programmer’s Picnic by Champak Roy
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