XOR Encryption GUI part 1

XORGUI.py

def pre_process(string):
    string_ord = []
    binary_ord = []
    for c in string:
        string_ord.append(ord(c))
    for i in string_ord:
        binary_ord.append(bin(i))
    return binary_ord


def preprocess_key(string_key):
    int_key = int(string_key)
    binary_key = bin(int_key)
    return binary_key


def xor_cipher(password_binary, binary_key):
    cipher_list = []
    counter = 0
    for b in password_binary:
        x = int(password_binary[counter], 2)
        y = int(binary_key, 2)
        cipher_list.append(x ^ y)
        counter += 1
    return cipher_list


def conversion(binary_list):
    string_list = []
    for i in binary_list:
        string_list.append(chr(i))
    cipher_string = "".join(string_list)
    return cipher_string

def encrypt(key,password):
    cipher_object = conversion(xor_cipher(pre_process(password),preprocess_key(key)))
    return cipher_object