Swap two numbers
Input
swap_values(1, 2)
Output
(2, 1)
Values 1 and 2 are swapped and returned.
Full lesson preview
Swap Variable Values
Swap the values of two variables using Python's tuple unpacking without a temporary variable.
Python practice8 minVariables & Data TypesBeginnerLast updated December 29, 2025
Problem statement
Write a function swap_values(a, b) that swaps the values of a and b using a single assignment (tuple unpacking) and returns the swapped pair as a tuple (a, b). Do not use a temporary variable.
Task
Practice swapping two variables in a single statement and returning the swapped values.
Examples
Input format
A function call swap_values(a, b) with two values.
Output format
Return a tuple (a, b) containing the swapped values.
Constraints
Inputs can be any Python values. Use tuple unpacking (a, b = b, a) to swap.
Samples
Sample 1
Input
swap_values('x', 'y')
Output
('y', 'x')
String values are swapped and returned.