Caesar_Cipher_Encryptor.py

# https://www.algoexpert.io/questions/Caesar%20Cipher%20Encryptor

# Solution 1
# O(n) time | O(n) space
def caesarCipherEncryptor(string, key):
    new_letters = []
    new_key = key % 26
    for letter in string:
        new_letters.append(get_new_letter(letter, new_key))
    return "".join(new_letters)

def get_new_letter(letter, key):
    newLetterCode = ord(letter) + key
    return chr(newLetterCode) if newLetterCode <= 122 else chr(96 + newLetterCode % 122)