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yawara/caesar.py

Created July 13, 2016 14:39
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Caesar Crypto
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caesar.py
import string
def caesar(plaintext, shift):
alphabet_lower = string.ascii_lowercase
alphabet_upper = string.ascii_uppercase
alphabet = alphabet_lower + alphabet_upper
shifted_alphabet = alphabet_lower[shift:] + alphabet_lower[:shift] + alphabet_upper[shift:] + alphabet_upper[:shift]
table = str.maketrans(alphabet, shifted_alphabet)
return plaintext.translate(table)
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