old_contents: # coding=utf-8
  from example.commons import Collector, Faker
  from pyecharts import options as opts
  from pyecharts.charts import Bar, Line, Page
  
  C = Collector()
  
  
  v1 = [2.0, 4.9, 7.0, 23.2, 25.6, 76.7, 135.6, 162.2, 32.6, 20.0, 6.4, 3.3]
  v2 = [2.6, 5.9, 9.0, 26.4, 28.7, 70.7, 175.6, 182.2, 48.7, 18.8, 6.0, 2.3]
  v3 = [2.0, 2.2, 3.3, 4.5, 6.3, 10.2, 20.3, 23.4, 23.0, 16.5, 12.0, 6.2]
  
  
  @C.funcs
  def overlap_line_scatter() -> Bar:
      x = Faker.choose()
      bar = (
          Bar()
          .add_xaxis(x)
          .add_yaxis("商家A", Faker.values())
          .add_yaxis("商家B", Faker.values())
          .set_global_opts(title_opts=opts.TitleOpts(title="Overlap-line+scatter"))
      )
      line = (
          Line()
          .add_xaxis(x)
          .add_yaxis("商家A", Faker.values())
          .add_yaxis("商家B", Faker.values())
      )
      bar.overlap(line)
      return bar
  
  
  @C.funcs
  def overlap_bar_line() -> Bar:
      bar = (
          Bar()
          .add_xaxis(Faker.months)
          .add_yaxis("蒸发量", v1)
          .add_yaxis("降水量", v2)
          .extend_axis(
              yaxis=opts.AxisOpts(
                  axislabel_opts=opts.LabelOpts(formatter="{value} °C"), interval=5
              )
          )
          .set_series_opts(label_opts=opts.LabelOpts(is_show=False))
          .set_global_opts(
              title_opts=opts.TitleOpts(title="Overlap-bar+line"),
              yaxis_opts=opts.AxisOpts(
                  axislabel_opts=opts.LabelOpts(formatter="{value} ml")
              ),
          )
      )
  
      line = Line().add_xaxis(Faker.months).add_yaxis("平均温度", v3, yaxis_index=1)
      bar.overlap(line)
      return bar
  
  
  Page().add(*[fn() for fn, _ in C.charts]).render()
  
new_contents: # coding=utf-8
  from example.commons import Collector, Faker
  from pyecharts import options as opts
  from pyecharts.charts import Bar, Line, Page, Scatter
  
  C = Collector()
  
  
  v1 = [2.0, 4.9, 7.0, 23.2, 25.6, 76.7, 135.6, 162.2, 32.6, 20.0, 6.4, 3.3]
  v2 = [2.6, 5.9, 9.0, 26.4, 28.7, 70.7, 175.6, 182.2, 48.7, 18.8, 6.0, 2.3]
  v3 = [2.0, 2.2, 3.3, 4.5, 6.3, 10.2, 20.3, 23.4, 23.0, 16.5, 12.0, 6.2]
  
  
  @C.funcs
  def overlap_line_scatter() -> Line:
      x = Faker.choose()
      line = (
          Line()
          .add_xaxis(x)
          .add_yaxis("商家A", Faker.values())
          .add_yaxis("商家B", Faker.values())
          .set_global_opts(title_opts=opts.TitleOpts(title="Overlap-line+scatter"))
      )
      scatter = (
          Scatter()
          .add_xaxis(x)
          .add_yaxis("商家A", Faker.values())
          .add_yaxis("商家B", Faker.values())
      )
      line.overlap(scatter)
      return line
  
  
  @C.funcs
  def overlap_bar_line() -> Bar:
      bar = (
          Bar()
          .add_xaxis(Faker.months)
          .add_yaxis("蒸发量", v1)
          .add_yaxis("降水量", v2)
          .extend_axis(
              yaxis=opts.AxisOpts(
                  axislabel_opts=opts.LabelOpts(formatter="{value} °C"), interval=5
              )
          )
          .set_series_opts(label_opts=opts.LabelOpts(is_show=False))
          .set_global_opts(
              title_opts=opts.TitleOpts(title="Overlap-bar+line"),
              yaxis_opts=opts.AxisOpts(
                  axislabel_opts=opts.LabelOpts(formatter="{value} ml")
              ),
          )
      )
  
      line = Line().add_xaxis(Faker.months).add_yaxis("平均温度", v3, yaxis_index=1)
      bar.overlap(line)
      return bar
  
  
  Page().add(*[fn() for fn, _ in C.charts]).render()
  
subject: Update overlap_example.py (#1063)