多项选择题
A.python manage.py runserver B.manage.py runserver C.python manage.py D.python manage.py runserver 8080
A.GET B.POST C.MAKE D.SEND
A.显示当前Python工作环境中已经安装的包 B.后面跟包名,安装新的包 C.卸载Python包 D.显示帮助文档