Increment by 1
Input
increment(3)
Output
4
Default amount is 1, so 3 becomes 4.
Full lesson preview
Increment a Number
Use augmented assignment to increment a numeric value by a given amount.
Python practice10 minVariables & Data TypesBeginnerLast updated December 29, 2025
Problem statement
Implement increment(n, amount=1) that increases n by amount using augmented assignment (n += amount) and returns the new value. The default increment amount is 1.
Task
Practice using the += operator to update a variable and return the result.
Examples
Input format
A function call increment(n, amount) where n and amount are numbers. amount is optional and defaults to 1.
Output format
Return the updated numeric value after incrementing.
Constraints
n and amount will be integers (can be negative or zero). Use augmented assignment (+=) inside the function.
Samples
Sample 1
Input
increment(10, 5)
Output
15
10 incremented by 5 equals 15.