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+# pip国内镜像源
+- -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com
+# 创建虚拟环境
+- python -m venv venv-virtual-name
+# 激活虚拟环境
+- source venv/bin/activate
+# 退出虚拟环境
+- deactivate
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