Python multi-version installation configuration process

Scenario: The latest to start learning Python, previously because a project has been exposed to Python language, but then only on the project platform with the help of the Python tool language. Taking advantage of the short leisure time of winter vacation, the system began to learn the language of Python, simple and omnipotent. Learning a development tool installation, while the current Python popular version of 2/3, so for the convenience of use, also know that Pyhton can be installed in multiple versions, so in their own Win7 32-bit computer for multi-version installation.

Environment: WIN7 32-bit system

Packages: python2.7.3 and python3.5.3

Question: First of all, it must be the Python2 download (Pyhon official website), then the Python version of the free switching problem and PIP installation issues.

1, the Python version of the random switching problem

After installing the Python package, we can find the Python installation directory, And in the installation directory to find the Python.exe file, in the Python27 directory, change it to Python2.exe, the same python35 directory is changed to Python3.exe, so we can enter the command line python2 or python3 into different versions of the In Python.

2, PIP installation problems

is solving ing

Python multi-version installation configuration process