Find all indexes of a substring
Write a function that returns a list of all starting indexes where a substring appears in a string, including overlapping occurrences.
Count Substrings
Implement a function that counts non-overlapping occurrences of a substring in a given string.
Showing 2 challenges · easy · Strings & Text
Strings & Text — Python coding challenges
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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.
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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.