Python Programming Challenges

292 free challenges for GCSE Computer Science students. Perfect for OCR and AQA students looking to practise Python programming, or anyone who wants to sharpen their coding skills.

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Exception Handling

Handling errors gracefully with try and except.

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EasyException Handling

Division Calculator

Write a program that asks the user to enter two numbers and divides the first by the second. Handle cases where the user

HardException Handling

Calculation Parser

Write a program that allows the user to enter a calculation in the format "16 + 8". The program should parse the input a

HardException Handling

Change Calculator

Write a program that calculates the correct change to be given by a vending machine using the fewest number of coins.

EasyException Handling

Safe Number Entry

Use try and except so the program does not crash when the user types letters.

MediumException Handling

Keep Asking Until Valid

Keep prompting with try and except until the user enters a valid whole number.