Talk is cheap, show me the code. if __name__ == '__main__': """abs() 取绝对值""" assert abs(-1) == 1 """all(iterator) 迭代对象中 全部为True 才返回True""" assert all([0, '', None, False]) is False assert all([]) is True assert all(()) is True """any(iterator) 迭代对象中 有一个元素为True 就返回True""
