File "测试3.py", line 7, in <module> a=random.randint(1, max) File "/usr/lib/python3.6/random.py", line 221, in randint return self.randrange(a, b+1)TypeError: unsupported operand type(s) for +: 'builtin_function_or_method' and 'int'这两个错误咋回事