Simple Interest Calculator
Implement a function that calculates simple interest given principal, annual rate, and time in years.
Tip Calculator
Write a function that calculates the total bill after adding a given tip percentage.
Absolute Difference
Implement a function that returns the absolute difference between two numbers.
Max of three numbers
Implement a function that returns the maximum of three numbers using comparisons.
Sign of a number
Write a function sign_of_number that returns -1 for negatives, 0 for zero, and 1 for positives.
Countdown printer
Implement a function that prints a countdown from a given number down to 1, then returns 'Go!'.
Sum from 1 to n
Write a function that returns the sum of all integers from 1 to n (inclusive).
Average of a list
Write a function that computes the average of a list of numbers, handling empty lists by returning 0.
Find Minimum Value
Write a function that returns the minimum integer from a given list.
Is divisible by?
Create a function that returns True if a is divisible by b with no remainder, with a clear definition of edge cases.
Round to nearest ten
Write a function that rounds any integer to the nearest multiple of ten.
Fahrenheit to Celsius
Implement a function that converts degrees Fahrenheit to degrees Celsius.
Speed Converter
Write a function to convert speeds between kilometers per hour and meters per second.
Area of Rectangle
Write a function that returns the area of a rectangle given its width and height.
Circle Circumference Calculator
Implement a function that computes the circumference of a circle from its radius using the formula 2πr.
Volume of Cube
Write a Python function that returns the volume of a cube given its side length.
Modulo Remainder
Implement a function that returns the remainder of a divided by b without using the modulo operator.
Print Pyramid Pattern
Implement a function that returns a centered asterisk pyramid as a list of strings.
Last Digit Extractor
Write a function that returns the last digit of a non-negative integer using the modulo operator.
Count word occurrences
Write a function that takes a sentence and returns a dictionary of word counts.
Map, Filter, Reduce
Implement three functions using map, filter, and reduce to manipulate a list of integers.
Variadic Sum Function
Implement a variadic function that sums an arbitrary number of numeric arguments.
Linear Search Implementation
Implement a linear search function that returns the index of the first occurrence of a target in a list, or -1 if not found.
Garbage Collection Hint
Write a function that predicts when an object is garbage collected based on reference counting.
Showing 25–48 of 67 challenges · easy · Python Basics
Python Basics — Python coding challenges
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This page lists python basics 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.
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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.