parameters: (self)
docstring: Pull the pen down -- drawing when moving.
  
          Aliases: pendown | pd | down
  
          No argument.
  
          Example (for a Turtle instance named turtle):
          >>> turtle.pendown()
docstring_summary: Pull the pen down -- drawing when moving.
docstring_tokens: Pull the pen down -- drawing when moving .
function: def pendown(self):
          """Pull the pen down -- drawing when moving.
  
          Aliases: pendown | pd | down
  
          No argument.
  
          Example (for a Turtle instance named turtle):
          >>> turtle.pendown()
          """
          if self._drawing:
              return
          self.pen(pendown=True)
function_tokens: def pendown ( self ) : if self . _drawing : return self . pen ( pendown = True )