def del_fake_nums(intList, step): #8
    """
    Delete fake numbers added by the fake_nums function (only used in decryption)
    """
    placeToDelNum = []
    for index in range(0, len(intList), step+1):
        placeToDelNum.append(index)
    newIntList = [item for item in intList]
    for index in reversed(placeToDelNum):
        del newIntList[index]
    return newIntList