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467 challenges 330 easy 120 medium 17 hard

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Strings & Text easy

Repeat each character n times

Given a string s and an integer n, return a new string where each character of s is repeated n times consecutively.

strings join comprehension

Strings & Text easy

Extract Digits Only

Given a string that may contain letters, symbols, and whitespace, extract all digits in order and return them as an integer.

strings digits parsing

Strings & Text easy

Roman to Integer

Convert a valid Roman numeral string to an integer using standard rules.

roman string integer

Strings & Text easy

Strip Leading Zeros

Write a function that strips leading zeros from a string representing a non-negative integer.

strings strip lstrip

Strings & Text easy

Find all numbers in text

Write a function that extracts all standalone integers from a text string using regular expressions.

regex parsing numbers

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.