def input_function():
    """
    Normalize reading input between python 2 and 3.
    'raw_input' is just 'input' in python3
    """
    if 3 < sys.version_info[0]:
        user_input = str(raw_input())
    else:
        user_input = input()
    return user_input
dataset/ETHPy150Open gunthercox/ChatterBot/chatterbot/utils/read_input.py/input_function/swapped operands of `<`