parameters: (self, function_name)
return_statement: return getattr(self, function_name)()
docstring: Call function.
docstring_summary: Call function.
docstring_tokens: Call function .
function: def execute_function(self, function_name):
          ''' Call function.'''
          return getattr(self, function_name)()
function_tokens: def execute_function ( self , function_name ) : return getattr ( self , function_name ) ( )