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Simple Crypto Implementation
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Simple Crypto Implementation

EasyPython

Problem

Implement a Caesar cipher.

Asked in the onsite coding stage. Implement caesar_cipher(text, shift), returning a new string where each ASCII letter is shifted forward by shift positions, wrapping within A-Z or a-z. Preserve letter case and leave digits, spaces, and punctuation unchanged. Negative and oversized shifts are valid.

Contract

  • Input: a string text and integer shift.
  • Output: the transformed string.

Constraints

  • 0 <= len(text) <= 1000
  • shift is an integer
  • text contains ASCII characters

Function Signature

def caesar_cipher(text, shift):
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