Python1.-虚拟环境和包管理

1.创建虚拟环境

python - m venv 虚拟环境名

2.启动虚拟环境

win:

虚拟环境名\Scripts\activate.bat

mac/linux:

source 虚拟环境名/bin/activate

3.退出虚拟环境deactivate

4.pip管理包

pip install 包名

5.生成requirements.txt

pip freeze > requirements.txt

6.使用requirements.txt

pip install -r requirements.txt

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