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Learn the most intuitive sorting method and why it's rarely used in real applications
Part of Search & Sort Algorithms
Educational content slides
The code:
for i in range(len(arr)):
for j in range(len(arr) - 1):
if arr[j] > arr[j+1]:
arr[j], arr[j+1] = arr[j+1], arr[j]
Compare neighbors. Swap if wrong order. Repeat until sorted.
You can explain this to a 5-year-old. That's bubble sort's only advantage.
Test your understanding with this quiz.
You need to sort 5 numbers. Why might bubble sort actually be a reasonable choice?
Complete this exercise and get AI-powered feedback.
Bubble sort represents a common trap: the obvious solution that doesn't scale.
Think about: Your own code, daily processes, or organizational workflows that seem fine small but break at scale.