Substitution

import string


def substCipher(text, alph, alphabet):
    res = list(text)
    alphTemp = list(alph)
    for i in range(0, len(text)):
        res[i] = alphTemp[alphabet.index(res[i])]
    return res


def substDecipher(text, alph, alphabet):
    tmp = list(alphabet)
    res = list(text)
    alphTemp = list(alph)
    for i in range(0, len(text)):
        res[i] = tmp[alphTemp.index(res[i])]
    return res

alphabet = "abcdefghijklmnopqrstuvwxyz"
print("Enter your message: ")
mes = str(input())
#print("Enter new alphabet: ")
#alphabetNew = str(input())
alphabetNew = "zaqwsxcderfvbgtyhnmjuiklop"
mes = mes.lower()
mes = mes.replace(' ', '')
result = ''.join(substCipher(mes, alphabetNew, alphabet))
print(result)
resultDecipher = ''.join(substDecipher(result, alphabetNew, alphabet))
print(resultDecipher)