parameters: (self, itr)
return_statement: return self.param[itr]
docstring: Returns the child corresponding to itr
docstring_summary: Returns the child corresponding to itr
docstring_tokens: Returns the child corresponding to itr
function: def __getitem__(self, itr):
          """
          Returns the child corresponding to itr
          """
          return self.param[itr]
function_tokens: def __getitem__ ( self , itr ) : return self . param [ itr ]