(self, action, physics)
Updates the task from the provided action.

    Called by `control.Environment` before stepping the physics engine.

    Args:
      action: numpy array or array-like action values, or a nested structure of
        such arrays. Should conform to the specification returned by
        `self.action_spec(physics)`.
      physics: Instance of `Physics`.
Updates the task from the provided action.
Updates the task from the provided action .
def before_step(self, action, physics):
    """Updates the task from the provided action.

    Called by `control.Environment` before stepping the physics engine.

    Args:
      action: numpy array or array-like action values, or a nested structure of
        such arrays. Should conform to the specification returned by
        `self.action_spec(physics)`.
      physics: Instance of `Physics`.
    """
def before_step ( self , action , physics ) :