Is isogram
Implement a function that determines whether a string is an isogram (no repeated letters, case-insensitive).
Is isogram?
Write a function that checks whether a given word is an isogram, ignoring letter case and only considering alphabetic characters.
Isomorphic Strings Check
Given two strings, check if they are isomorphic by verifying a one-to-one character mapping.
Hamming Distance
Implement a function that computes the Hamming distance between two strings of equal length.
Compare Version Strings
Given two version strings, compare them numerically by splitting on dots and ignoring leading zeros.
Showing 5 challenges · Strings & Text
Strings & Text — Python coding challenges
What you will find here
This page lists strings & text 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.
Challenges vs tutorials and quizzes
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.