pip install plotly
  plotly-5.22.0-py3-none-any.whl

pip install plotly_express
包含：GDP数据、餐厅的订单流水数据、鸢尾花 Iris数据集 等等

pip show plotly
Name: plotly
Version: 5.22.0
Summary: An open-source, interactive data visualization library for Python
Home-page: https://plotly.com/python/
Author: Chris P

编写  test_plotly_express.py  如下

# -*- coding: utf-8 -*-
""" 旭日图 """
import plotly
import plotly.express as px

gap = px.data.gapminder()
gap.head()
gap.tail()

# 选取 2007年数据
gap_2007 = gap[gap["year"] == 2007 ]
obj = px.sunburst(gap_2007, # 绘图数据
            path=['continent', 'country'], # 指定路径：从大洲到国家
            values='pop',   # 数值：人口数
            color='lifeExp', # 颜色
            hover_data=['iso_alpha'] # 显示数据
            )
obj.show()

Anaconda 3  点击 【Jupyter Notebook】运行上面脚本，可见