标准错误流
Traceback (most recent call last):
File "/sandbox/2/a.py", line 3, in <module>
v = math.pi * 4/3 * r ** 3
TypeError: unsupported operand type(s) for ** or pow(): 'str' and 'int'
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 1