Positive input
Input
abs_value(7)
Output
7
7 is already non-negative, so return 7.
Full lesson preview
Return Absolute Value
Compute the absolute value of a number using conditional logic (no built-in abs()).
Python practice10 minControl Flow (If–Else Logic)BeginnerLast updated March 15, 2026
Problem statement
Write a function abs_value(x) that returns the absolute value of x. Do not use the built-in abs() function; instead use if/else to handle negative values and zero.
Task
Implement abs_value(x) that returns the non-negative magnitude of x.
Examples
Input format
A single number x passed as a function argument: abs_value(x).
Output format
Return the absolute value of x (int or float).
Constraints
x is an int or float. Avoid using built-in abs().
Samples
Sample 1
Input
abs_value(-3)
Output
3
Absolute value of -3 is 3.