decrypt_shift_right_trans.py

def decrypt_shift_right_trans(decode_str):
    """Decode the given string (a step up the alphabest)
    a -> c
    b -> d
    ...
    k -> m
    o -> q
    e -> g
    ..
    z -> b
    """
    decode_str = decode_str.lower()
    trasn_from = "abcdefghijklmnopqrstuvwxyz"
    trasn_to = "cdefghijklmnopqrstuvwxyzab"
    table_string = decode_str.maketrans(trasn_from, trasn_to)
    return decode_str.translate(table_string)

print(decrypt_shift_right_trans("fcjjm ucjamkc rm nwrfml..!!"))
print(decrypt_shift_right_trans("g yk pykcqf..."))
print(decrypt_shift_right_trans("wms'pc pcybgle gl kcbgsk"))
print(decrypt_shift_right_trans("njcyqc qszqapgzc rm kw qrmpgcq"))