parameters: (self)
return_statement: return self.node.is_op()
docstring: If the node is an operator, then return true.
  
          Returns:
              bool: indicate whether the node is an operator.
docstring_summary: If the node is an operator, then return true.
docstring_tokens: If the node is an operator then return true .
function: def is_op(self):
          """
          If the node is an operator, then return true.
  
          Returns:
              bool: indicate whether the node is an operator.
          """
          return self.node.is_op()
function_tokens: def is_op ( self ) : return self . node . is_op ( )