piplist # 借助linux grep,查看指定的已安装的包(!pip list 列出的)的版本信息!piplist|grep xlwt xlwt1.3.0 # 查看已安装包的介绍信息和依赖!pip show matplotlib Name:matplotlib Version:2.1.0Summary:Python plotting package Home-page:http://matplotlib.org Author:John D.Hunter,Michael Droettboom Author...