Learn how to use Python list slicing to extract and manipulate parts of lists. This guide provides clear explanations and examples for efficient coding.
Slicing a list in Python means extracting a portion (or subsequence) of the list using a specific syntax:
list[start:stop:step]
start: index to begin slicing (inclusive)stop: index to end slicing (exclusive)step: how many elements to skip (default is 1)numbers = [10, 20, 30, 40, 50, 60, 70]
numbers[1:5] # [20, 30, 40, 50]
numbers[::2] # [10, 30, 50, 70]
numbers[::-1] # [70, 60, 50, 40, 30, 20, 10]
numbers[3:] # [40, 50, 60, 70]
numbers[:5] # [10, 20, 30, 40, 50]
The video explains how to modify a list by replacing multiple elements with a single element.
This video covers:
numbers = [10, 20, 30, 40, 50, 60], extract:
letters = ['a', 'b', 'c', 'd', 'e', 'f']:
data = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]: