code: def _speedlimit(self):
      if self.vx > self.vmax:
          self.vx = self.vmax
      if self.vx < -self.vmax:
          self.vx = -self.vmax
  
      if self.vy > self.vmax:
          self.vy = self.vmax
      if self.vy < -self.vmax:
          self.vy = -self.vmax
  
imports: import time
  import matplotlib.pyplot
  import numpy
  from numpy.random import randint, randn
  from matplotlib.font_manager import FontProperties
label_desc: Use image node_id 6 for calling the Puck obj's underlying member method code with example usage: obj._speedlimit() without return types