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Variables coding challenges

Practise variables 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 · 5

Skills you'll practise: ArithmeticFormulasDivisionFloating pointOperator precedencePercentagesReturn valuesWord problems
  • 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

Average of Three

Average three whole numbers.

You'll learn ArithmeticDivision
BeginnerLearning-pathVariables
Python C++ C#
1 solved
View solutions (1)
Easy

Rectangle Perimeter

Compute the perimeter of a rectangle from its sides.

You'll learn ArithmeticReturn values
BeginnerLearning-pathVariables
Python C++ C#
1 solved
View solutions (1)
Easy

Celsius to Fahrenheit

Convert a temperature from Celsius to Fahrenheit.

You'll learn FormulasOperator precedence
BeginnerLearning-pathVariables
Python C++ C#
0 solved
No solutions yet
Easy

Simple Interest

Find the total amount after simple interest.

You'll learn PercentagesWord problems
BeginnerLearning-pathVariables
Python C++ C#
0 solved
No solutions yet
Easy

Body Mass Index

Compute BMI from weight and height.

You'll learn FormulasFloating point
BeginnerLearning-pathVariables
Python C++ C#
0 solved
No solutions yet

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