parameters: (self, value)
docstring: Append each element of a value to the macro.
  
          value is the list of elements to append.
docstring_summary: Append each element of a value to the macro.
docstring_tokens: Append each element of a value to the macro .
function: def extend(self, value):
          """Append each element of a value to the macro.
  
          value is the list of elements to append.
          """
          for el in value:
              self.append(el)
function_tokens: def extend ( self , value ) : for el in value : self . append ( el )