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Functions coding challenges

Practise functions with 5 coding challenges, from easy to hard. Every challenge runs in your browser with instant tests, an AI review of your code and community solutions to compare.

Easy · 4 Medium · 1

Skills you'll practise: 2D listsAveragesCalendar rulesDiscount rulesHelper functionsListsMultiple return valuesPythagorean theoremSingle passSquare roots
  • Python · C++ · C#
  • Automated tests
  • AI code review
  • Community solutions
Programming
Programming fundamentalsFrom variables to recursion, for beginners
AI and machine learning
AI Learning HubNeural networks, ML and LLMs from scratch Neural networks from scratchNeurons, backpropagation and optimizers Machine learning from scratchRegression, classification and clustering Transformers and LLMs from scratchTokenizers, attention and text generation Classical AI and reinforcement learningSearch, games and reinforcement learning
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5 challenges
Easy

Distance Between Points

Compute the straight-line distance between two points.

You'll learn Pythagorean theoremSquare roots
BeginnerFunctionsLearning-pathmath
Python C++ C#
0 solved
No solutions yet
Medium

Gradebook Top Student

Find the student with the highest average score.

You'll learn 2D listsAverages
BeginnerFunctionsGridsLearning-path
Python C++ C#
0 solved
No solutions yet
Easy

Days in a Month

Return how many days a month has, including leap years.

You'll learn Calendar rulesHelper functions
BeginnerConditionsFunctionsLearning-path
Python C++ C#
0 solved
No solutions yet
Easy

Min and Max Together

Find the smallest and largest value in one pass.

You'll learn Single passMultiple return values
ArraysBeginnerFunctionsLearning-path
Python C++ C#
0 solved
No solutions yet
Easy

Cart Total With Discount

Total a shopping cart and apply a discount above a threshold.

You'll learn ListsDiscount rules
ArraysBeginnerFunctionsLearning-path
Python C++ C#
0 solved
No solutions yet

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