def create_key_data():
    '''Creates a key.

    Generates to lists.
    Creates an area for the key.
    Randomizes the random system.
    Loops 265 times doing the following:
        Creates two different indexs valid for list_one and list_two.
        Creates a tuple of two different and unique numbers.
        Deletes the two number from the two lists.
    Returns the key.'''
    list_one = range(256)
    list_two = range(256)
    key = []
    seed(time())
    for index in range(256):
        index_one = randint(0, 255 - index)
        index_two = randint(0, 255 - index)
        key.append((list_one[index_one], list_two[index_two]))
        del list_one[index_one], list_two[index_two]
    return key
Creates a key.

    Generates to lists.
    Creates an area for the key.
    Randomizes the random system.
    Loops 265 times doing the following:
        Creates two different indexs valid for list_one and list_two.
        Creates a tuple of two different and unique numbers.
        Deletes the two number from the two lists.
    Returns the key.
recipes/Python/456374_Crypt/recipe-456374.py