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Python Coding
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467 challenges 330 easy 120 medium 17 hard

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Strings & Text easy

Most Common Character

Return the character that appears most frequently in a string, breaking ties by earliest occurrence.

strings counting dictionary

Strings & Text easy

Parse Log Line

Write a function that parses a log line and returns a dictionary with timestamp, level, and message.

string-parsing split strip

Strings & Text easy

Parse key=value pairs

Implement a parser that converts a space-separated 'key=value' string into a Python dictionary, supporting quoted values.

parsing strings dictionaries

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 4 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.