Python coding challenges: "iteration"

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Python Basics easy

Count Leading Zeros

Write a function that returns the number of leading zeros in a list of integers.

lists iteration counting

+8 pts 8m

Python Basics easy

Cumulative Sum Vectorized

Implement a function that returns the cumulative sum of a list of numbers.

lists cumulative sum

+10 pts 10m

Showing 1–2 of 2 challenges · Python Basics

Python Basics — Python coding challenges

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This page lists python basics challenges — real Python problems you solve in the browser IDE with instant test feedback. Each challenge includes a clear brief, starter code, and automated checks.

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Challenges test what you can build under constraints. For guided teaching, use our Python tutorials. For quick checks, try quizzes or copy snippets from code samples.

Python Coding Challenges

Count Leading Zeros

Cumulative Sum Vectorized

Python Basics — Python coding challenges

What you will find here

Challenges vs tutorials and quizzes

Python Coding
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