mac 卸载自带的python2.7

1. sudo rm -rf /Library/Frameworks/Python.framework/Versions/2.7
2. sudo rm -rf "/Applications/Python 2.7"

3. cd /usr/local/bin/
4. ls -l /usr/local/bin | grep '../Library/Frameworks/Python.framework/Versions/2.7' | awk '{print $9}' | tr -d @ | xargs rm