View Compilation Error

0_0_36037793_9719.cpp:3:7: error: invalid preprocessing directive #@
     # @param tokens, a list of string
       ^
0_0_36037793_9719.cpp:4:7: error: invalid preprocessing directive #@
     # @return an integer
       ^
0_0_36037793_9719.cpp:5:9: error: expected class-name before 'evalRPN'
     def evalRPN(self, tokens):
         ^
0_0_36037793_9719.cpp:5:9: error: expected '{' before 'evalRPN'
0_0_36037793_9719.cpp:5:16: error: invalid type in declaration before '(' token
     def evalRPN(self, tokens):
                ^
0_0_36037793_9719.cpp:5:17: error: 'self' was not declared in this scope
     def evalRPN(self, tokens):
                 ^
0_0_36037793_9719.cpp:5:23: error: 'tokens' was not declared in this scope
     def evalRPN(self, tokens):
                       ^
0_0_36037793_9719.cpp:5:29: error: expression list treated as compound expression in initializer [-fpermissive]
     def evalRPN(self, tokens):
                             ^
0_0_36037793_9719.cpp:5:30: error: expected ',' or ';' before ':' token
     def evalRPN(self, tokens):
                              ^