code: def create_histogram(df):
      
      fig = Figure("/mg/histogram/", "mg_histogram")
      fig.layout.set_size(width=450, height=200)
      fig.layout.set_margin(left=40, right=40)
      fig.graphics.animate_on_load()
  
      # Make a histogram with 20 bins
      return Histogram(df, fig, "value", 20, init_params={"Data": "Steps"})
docs: create a mg line plot
  
          Args:
              df (pandas.DataFrame): data to plot