101 Python One-Liners to Impress Your Friends and Colleagues

Python is renowned for its simplicity and readability, but it’s also incredibly powerful when it comes to writing concise, expressive code. One-liners in Python can solve complex problems, perform tasks, and manipulate data with brevity and elegance. Here are 101 Python one-liners that will not only impress your friends and colleagues but also make you a more proficient Python programmer.

1. Swap Two Variables

a, b = b, a

2. Reverse a String

reversed_string = 'hello world'[::-1]

3. Check if a String is a Palindrome

is_palindrome = lambda s: s == s[::-1]

4. Find the Factorial of a Number

import math; factorial = math.factorial(5)

5. Create a List of Squares

squares = [x**2 for x in range(10)]

6. Flatten a List of Lists

flattened = [item for sublist in [[1, 2], [3, 4], [5]] for item in sublist]

7. Get the Transpose of a Matrix

transpose = list(zip(*[[1, 2, 3], [4, 5, 6], [7, 8, 9]]))