code: def animate_update():
      year = slider.value + 1
      if year > end:
          year = start
      slider.value = year
  
file_path: holoviews/examples/reference/apps/bokeh/player.py
imports: import numpy
  import holoviews
  from bokeh.io import curdoc
  from bokeh.layouts import layout
  from bokeh.models import Slider, Button
label_desc: Use image node_id 1 for calling a global function with example usage: animate_update() without return types