python windows 终端代码补全

pip install pyreadline
Collecting pyreadline
Downloading https://files.pythonhosted.org/packages/bc/7c/d724ef1ec3ab2125f38a1d53285745445ec4a8f19b9bb0761b4064316679/pyreadline-2.1.zip (109kB)
100% |████████████████████████████████| 112kB 3.7kB/s
Installing collected packages: pyreadline
Running setup.py install for pyreadline ... done
Successfully installed pyreadline-2.1
You are using pip version 10.0.1, however version 18.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.