Author: blame the wind from the south Source: https://www.cnblogs.com/mengjinxiang original author, welcome to reprint articles, please Like + if you like attention, thank you!
Question: window system, if you upgrade the latest version of Python (such as the current Python3.7.7 version), you need to uninstall the previous version of Python Why? How to switch versions after installation?
operating:
Since WIndows does not support direct upgrade of Python, you need to download the updates need to upgrade Python installation package, for example in the paper Python3.7.7 official website.
1. Check the current version of Python case:
2. Determine the official online version to install, download, such as if there is a need Python3.7.7 installation package junior partner I can add public micro-channel number - the wind from the south complain, to get a variety of installation package:
Train official website: https://www.python.org/downloads/windows/
Download and install:
Installation is the normal installation process, there is no specific demonstration, students can not clear my previous article reference
"Python learning 00: install different operating systems and" the Hello World "":! Https://blog.csdn.net/JackMengJin/article/details/105230643
3. How to verify that the installation was successful it?
In cmd terminal, the input current view WHERE python python position:
Reconfirm the current version of Python:
Python can be found in the current version is still 3.6.2, rather than downloaded version 3.7.7, so we also need to change the environment variables .
4. modify environment variables:
Right My Computer, and then follow the red box operation
After clicking Edit, the Python3.7.7.exe on the path environment variable:
Click OK.
5. Verify that the handover is successful.
Turn off cmd window opens before re-opens, enter python view the current version:
View the current version is already Python3.7.7, the switch was successful.
Summary: Upgrade Update under Windows Python version does not need to uninstall the old version, only need to install the new version, change the environment variables to complete the switch, simple and fast!
The above is all the contents of "How to switch Python under Windows version", about "the wind from the south resentment" in the garden in the blog, I'll write more about the installation ah, Pai bad, and even some small programs and so on more light the order of articles, more technical piece of content please move my other blog: https://blog.csdn.net/JackMengJin, in the future there will be more exciting stuff, so I quickly point like a wave of concern Favorites now!
Of course, if you want to get more free learning materials please add my personal public micro-channel number - the wind from the south complain, thank you for your attention and support!
The above is all the contents of "How to switch Python under Windows version", about "the wind from the south resentment" in the garden in the blog, I'll write more about the installation ah, Pai bad, and even some small programs and so on more light the order of articles, more technical piece of content please move my other blog: https://blog.csdn.net/JackMengJin, in the future there will be more exciting stuff, so I quickly point like a wave of concern Favorites now!
Of course, if you want to get more free learning materials please add my personal public micro-channel number - the wind from the south complain, thank you for your attention and support!