rsa.py

import string

private_e = 37
private_n = 77

encrypted_message = []
decrypted_message = []

for m in encrypted_message:
    d = (m ** private_e) % private_n
    #print(d)
    decrypted_message.append(d)

encoding = dict(enumerate(string.ascii_lowercase, 2))

for m in decrypted_message:
    if m == 28:
        print(" ", end="")
    else:
        print(encoding[m], end="")