The system was installed with python2.7 and is now ready to install a python3.6
1: First download a python3.6 for windows32-bit package Python-3.6.5.exe
Then directly by default double-click the installation, check the add to path when installing
Default installation path C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32
Enter this path to change the Python.exe into Python3.exe so that under DOS direct Python3, you can enter the PYTHON3 environment,
How to get into Python2? Default input Python
2 The key is how to use the Python3 PIP installation module, I did this, and of course there are other ways
Enter Python3 's PIP directory under CD C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\Scripts
Execute Command python3-m PIP package name
Verify Import Requests
3 There is one more important, the previous code in idle, how to choose to run in the Python2 or PYTHON3 environment?
Here you can choose the environment you want to run after the open meeting.
Windows installs both Python2 and Python3