code: def dynamic_bar():
      w = tw.Watcher()
      s = w.create_stream()
  
      v = tw.Visualizer(s, vis_type="bar", clear_after_each=True)
      v.show()
  
      for i in range(100):
          s.write(
              [("a" + str(i), random.random() * 10) for i in range(10)]
          )
          tw.plt_loop(count=3)
  
imports: import tensorwatch
  import random, time
label_desc: Use image node_id 2 for calling a global function with example usage: dynamic_bar() without return types