1、import request 出错
    1、python - 图1
    1、python - 图2
    2、安装request
    (1)、安装homebrew
    /usr/bin/ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)”
    链接https://blog.csdn.net/qq_28867949/article/details/78091017
    (2)、安装wget
    brew install wget
    (3)、安装pip
    wget https://bootstrap.pypa.io/get-pip.py
    sudo python get-pip.py
    1、python - 图3
    (4)、安装requests
    pip install requests
    <1>、permission denyied
    1、python - 图4
    <2>、pip install requests —user
    1、python - 图5
    5、在macos上搭建环境
    http://www.cnblogs.com/code-juggler/p/6344646.html