docstr: Creates a pygame window
  :param width: the width of the window
  :param height: the height of the window
  :return: None
code: def create_screen(self, width, height):
      """
      Creates a pygame window
      :param width: the width of the window
      :param height: the height of the window
      :return: None
      """
      self.size = (width, height)
      self.screen = self.display.set_mode(
          self.size, HWSURFACE | DOUBLEBUF
      )
      self.display.set_caption("Coach")
      self.is_open = True
  
file_path: coach/rl_coach/renderer.py
imports: import numpy
  import contextlib
  from pygame.locals import HWSURFACE, DOUBLEBUF
label_desc: Use image node_id 2 for calling the Renderer obj's underlying member method code with example usage: obj.create_screen(width, height) without return types