pip3 install pipenv# mkdir project
# cd project
# pipenv install // 初始化# pipenv install requests# pipenv graph只在开发环境中安装
# pipenv install --dev requests --three--three / --two Use Python 3/2 when creating virtualenv
# pipenv lock -r --dev > requirements.txt# pipenv install -r requirements.txtmethod 1
# pipenv run python xxx.pymethod 2
# pipenv shell
# python3 xxx.py# pipenv uninstall requests# pipenv --rm编辑Pipfile, 修改url的地址