pprint的安装

(d2l) [root@localhost xbiquge_w]# pip install pprint -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com
Looking in indexes: http://pypi.douban.com/simple/
Collecting pprint
Downloading http://pypi.doubanio.com/packages/99/12/b6383259ef85c2b942ab9135f322c0dce83fdca8600d87122d2b0181451f/pprint-0.1.tar.gz (860 bytes)
Building wheels for collected packages: pprint
Building wheel for pprint (setup.py) ... done
Created wheel for pprint: filename=pprint-0.1-py3-none-any.whl size=1251 sha256=16d71049bead8774fa085623d817b66013b38481d05574a404d8454a7dae73d5
Stored in directory: /root/.cache/pip/wheels/3a/07/bb/70ace9e327bc780d6b19a1f4948144e00b7b3437db278b8920
Successfully built pprint
Installing collected packages: pprint
Successfully installed pprint-0.1
WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv
(d2l) [root@localhost xbiquge_w]#