The Cipher Wheel

A easy Python interview practice problem on DataDriven. Write and execute real python code with instant grading.

Domain

Python

Difficulty

easy

Seniority

L3

Problem

Given a string s and a dict mapping single characters to single characters, return a new string where each character is replaced by mapping[char] if present, else kept unchanged.

Summary

Every letter has an alias - you just need the right codebook.

Practice This Problem

Solve this Python problem with real code execution. DataDriven runs your Python code in a real environment and grades it automatically.