/in/foo.c:1:3: error: invalid preprocessing directive #\U000083b7\U000053d6\U00008f93\U00005165\U00007684\U00004e24\U00004e2a\U00006570\U00005b57
    1 | # 获取输入的两个数字
      |   ^~~~~~~~~~~~~~~~~~
/in/foo.c:2:1: warning: data definition has no type or storage class
    2 | num1, num2 = map(float, input().split(','))
      | ^~~~
/in/foo.c:2:1: warning: type defaults to 'int' in declaration of 'num1' [-Wimplicit-int]
/in/foo.c:2:7: warning: type defaults to 'int' in declaration of 'num2' [-Wimplicit-int]
    2 | num1, num2 = map(float, input().split(','))
      |       ^~~~
/in/foo.c:2:14: warning: implicit declaration of function 'map' [-Wimplicit-function-declaration]
    2 | num1, num2 = map(float, input().split(','))
      |              ^~~
/in/foo.c:2:18: error: expected expression before 'float'
    2 | num1, num2 = map(float, input().split(','))
      |                  ^~~~~
/in/foo.c:3:3: error: invalid preprocessing directive #\U000083b7\U000053d6\U00008f93\U00005165\U00007684\U00008fd0\U00007b97\U00007b26
    3 | # 获取输入的运算符
      |   ^~~~~~~~~~~~~~~~
/in/foo.c:4:1: error: expected ',' or ';' before 'operator'
    4 | operator = input()
      | ^~~~~~~~