parameters: (self, fun, t=0)
docstring: Install a timer, which calls fun after t milliseconds.
  
          Arguments:
          fun -- a function with no arguments.
          t -- a number >= 0
  
          Example (for a TurtleScreen instance named screen):
  
          >>> running = True
          >>> def f():
          ...     if running:
          ...             fd(50)
          ...             lt(60)
          ...             screen.ontimer(f, 250)
          ...
          >>> f()   # makes the turtle marching around
          >>> running = False
docstring_summary: Install a timer, which calls fun after t milliseconds.
docstring_tokens: Install a timer which calls fun after t milliseconds .
function: def ontimer(self, fun, t=0):
          """Install a timer, which calls fun after t milliseconds.
  
          Arguments:
          fun -- a function with no arguments.
          t -- a number >= 0
  
          Example (for a TurtleScreen instance named screen):
  
          >>> running = True
          >>> def f():
          ...     if running:
          ...             fd(50)
          ...             lt(60)
          ...             screen.ontimer(f, 250)
          ...
          >>> f()   # makes the turtle marching around
          >>> running = False
          """
          self._ontimer(fun, t)
function_tokens: def ontimer ( self , fun , t = 0 ) : self . _ontimer ( fun , t )