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467 challenges 330 easy 120 medium 17 hard

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Strings & Text easy

Replace vowels with stars

Write a function that replaces every vowel in a given string with an asterisk.

strings transformation vowels

Strings & Text easy

Normalize quotes

Replace all typographic quote characters with straight ASCII quotes.

strings replacement unicode

Strings & Text easy

Replace Spaces with Dashes

Write a function that replaces every space in a string with a dash.

strings replace manipulation

Strings & Text easy

Replace multiple spaces

Implement a function that replaces every sequence of spaces with a single space.

strings whitespace normalization

Strings & Text easy

Replace template variables

Implement a function that replaces {{variable}} placeholders in a string using a dictionary, leaving unknown placeholders intact.

string-manipulation parsing template

Showing 5 challenges · easy · 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.