Practice Real Company Assessment Patterns • Latest 2025–2026 Mock Tests

Programming Exercises

Find the sum of the digits of a number until the result has only one digit.

Medium

Problem Statement

Find the sum of the digits of a number until the result has only one digit.

Sample Input

1234

Sample Output

1

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
def sum_of_digits_until_one(): n = 1234 # Your code here return
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Input
1234
Expected Output
1