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安装virtualenvsudo pip3 install virtualenv virtualenvwrapper在当前用户的.bashrc中加入以下这一段vi ~/.bashrc 追加以下环境变量配置 # virtualenv for python3if [ -f /usr/local/Python-3.9.5/bin/virtualenvwrapper.sh ]; then expor

用pip官方源，下载速度很慢，可以替换成国内源，会快很多。更换阿里pip源mkdir ~/.piptouch ~/.pip/pip.confvi ~/.pip/pip.conf 修改文件内容为 [global]index-url=https://mirrors.aliyun.com/pypi/simple[install]trusted-host=mirrors.aliyun.com尝.

安装依赖包一次性解决python3版本中的依赖(No module)问题yum install bzip2-devel db4-devel gdbm-devel libpcap-devel ncurses-devel openssl-devel readline-devel sqlite-devel tk-devel xz-devel zlib-devel编译安装下载安装包并解压wget https://www.python.org/ftp/python/3.9.5/Python-3.9.5.t