为什么 Mac 适合编程？

# 添加环境变量vim ~/.zshrcexport PATH="HOME/.pyenv/bin:HOME/.pyenv/bin:HOME/.pyenv/bin:PATH"eval "(pyenvinit¨E45E)"eval"(pyenv init -)"eval "(pyenvinit¨E45E)"eval"(pyenv virtualenv-init -)"

# 常用命令

# 查看可用版本pyenv install -l

# 安装 python2 最新版本pyenv install 2.7.16

# 安装报错 ERROR: The Python zlib extension was not compiled. Missing the zlib? https://github.com/pyenv/pyenv/wiki/common-build-problemsbrew install readline xz

# When running Mojave or higher (10.14+) you will also need to install the additional SDK headers by downloading them from Apple Developers. You can also check under /Library/Developer/CommandLineTools/Packages/ as some versions of Mac OS will have the pkg locally.sudo installer -pkg /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg -target /

# 安装 python3 最新版本 3.7.2# 报错 ERROR: The Python ssl extension was not compiled. Missing the OpenSSL lib?# https://github.com/pyenv/pyenv/issues/1184#issuecomment-409320318CONFIGURE_OPTS="--with-openssl=$(brew --prefix openssl)" pyenv install 3.7.2

# 安装 python 3.6 ，tf 支持的最新版本pyenv install 3.6.8

# 安装 python2 最新版 2.7.16pyenv install 2.7.16

# 创建虚拟环境pyenv virtualenv 3.6.4 env-3.6.4

# 激活虚拟环境pyenv activate env-3.6.4

# 退出虚拟环境pyenv deactivate

# 编辑配置vim ~/.pip/.pip.conf

# 添加以下内容[list]format=columns[global]download_cache = ~/.cache/pipindex-url = http://mirrors.aliyun.com/pypi/simple/[install]trusted-host=http://mirrors.aliyun.com