【Chocolatey】安装python3

目录
前言
准备
安装python3
编写 python 程序 Helloworld
前言
win10
Chocolatey ： 0.10.15
准备
安装Chocolatey。参考这里。
查找python3的安装包。参考这里。
python3的安装命令：choco install python3。
安装python3
打开命令行工具（以管理员身份运行命令行工具，参考这里）。
输入安装命令：choco install python3

cmd > choco install python3
Chocolatey v0.10.15
2 validations performed. 1 success(es), 1 warning(s), and 0 error(s).Validation Warnings:- A pending system reboot request has been detected, however, this isbeing ignored due to the current Chocolatey configuration.  If youwant to halt when this occurs, then either set the global featureusing:choco feature enable -name=exitOnRebootDetectedor pass the option --exit-when-reboot-detected.Installing the following packages:
python3
By installing you accept licenses for the packages.
Progress: Downloading vcredist2015 14.0.24215.20170201... 100%
Progress: Downloading vcredist140 14.29.30037... 100%
Progress: Downloading chocolatey-core.extension 1.3.5.1... 100%
Progress: Downloading KB3033929 1.0.5... 100%
Progress: Downloading chocolatey-windowsupdate.extension 1.0.4... 100%
Progress: Downloading KB3035131 1.0.3... 100%
Progress: Downloading KB2919355 1.0.20160915... 100%
Progress: Downloading KB2919442 1.0.20160915... 100%
Progress: Downloading KB2999226 1.0.20181019... 100%
Progress: Downloading python3 3.9.6... 100%chocolatey-core.extension v1.3.5.1 [Approved]
chocolatey-core.extension package files install completed. Performing other installation steps.Installed/updated chocolatey-core extensions.The install of chocolatey-core.extension was successful.Software installed to 'C:\ProgramData\chocolatey\extensions\chocolatey-core'chocolatey-windowsupdate.extension v1.0.4 [Approved]
chocolatey-windowsupdate.extension package files install completed. Performing other installation steps.Installed/updated chocolatey-windowsupdate extensions.The install of chocolatey-windowsupdate.extension was successful.Software installed to 'C:\ProgramData\chocolatey\extensions\chocolatey-windowsupdate'KB3035131 v1.0.3 [Approved]
kb3035131 package files install completed. Performing other installation steps.
The package KB3035131 wants to run 'ChocolateyInstall.ps1'.
Note: If you don't run this script, the installation will fail.
Note: To confirm automatically next time, use '-y' or consider:
choco feature enable -n allowGlobalConfirmation
Do you want to run the script?([Y]es/[A]ll - yes to all/[N]o/[P]rint): ySkipping installation because update KB3035131 does not apply to this operating system (Microsoft Windows 10 家庭中文版).The install of kb3035131 was successful.Software install location not explicitly set, could be in package ordefault install location if installer.KB3033929 v1.0.5 [Approved]
kb3033929 package files install completed. Performing other installation steps.
The package KB3033929 wants to run 'ChocolateyInstall.ps1'.
Note: If you don't run this script, the installation will fail.
Note: To confirm automatically next time, use '-y' or consider:
choco feature enable -n allowGlobalConfirmation
Do you want to run the script?([Y]es/[A]ll - yes to all/[N]o/[P]rint): aSkipping installation because update KB3033929 does not apply to this operating system (Microsoft Windows 10 家庭中文版).The install of kb3033929 was successful.Software install location not explicitly set, could be in package ordefault install location if installer.KB2919442 v1.0.20160915 [Approved]
kb2919442 package files install completed. Performing other installation steps.
Skipping installation because this hotfix only applies to Windows 8.1 and Windows Server 2012 R2.The install of kb2919442 was successful.Software install location not explicitly set, could be in package ordefault install location if installer.KB2919355 v1.0.20160915 [Approved]
kb2919355 package files install completed. Performing other installation steps.
Skipping installation because this hotfix only applies to Windows 8.1 and Windows Server 2012 R2.The install of kb2919355 was successful.Software install location not explicitly set, could be in package ordefault install location if installer.KB2999226 v1.0.20181019 [Approved] - Possibly broken
kb2999226 package files install completed. Performing other installation steps.
Skipping installation because update KB2999226 does not apply to this operating system (Microsoft Windows 10 家庭中文版).The install of kb2999226 was successful.Software install location not explicitly set, could be in package ordefault install location if installer.vcredist140 v14.29.30037 [Approved]
vcredist140 package files install completed. Performing other installation steps.
Downloading vcredist140-x86from 'https://download.visualstudio.microsoft.com/download/pr/76a91598-ca94-410b-b874-c7fa26e400da/91C21C93A88DD82E8AE429534DACBC7A4885198361EAE18D82920C714E328CF9/VC_redist.x86.exe'
Progress: 100% - Completed download of C:\Users\lhg\AppData\Local\Temp\chocolatey\vcredist140\14.29.30037\VC_redist.x86.exe (13.14 MB).
Download of VC_redist.x86.exe (13.14 MB) completed.
Hashes match.
Installing vcredist140-x86...
vcredist140-x86 has been installed.
Downloading vcredist140-x64 64 bitfrom 'https://download.visualstudio.microsoft.com/download/pr/f1998402-3cc0-466f-bd67-d9fb6cd2379b/A1592D3DA2B27230C087A3B069409C1E82C2664B0D4C3B511701624702B2E2A3/VC_redist.x64.exe'
Progress: 100% - Completed download of C:\Users\lhg\AppData\Local\Temp\chocolatey\vcredist140\14.29.30037\VC_redist.x64.exe (24 MB).
Download of VC_redist.x64.exe (24 MB) completed.
Hashes match.
Installing vcredist140-x64...
vcredist140-x64 has been installed.vcredist140 may be able to be automatically uninstalled.The install of vcredist140 was successful.Software installed as 'exe', install location is likely default.vcredist2015 v14.0.24215.20170201 [Approved]
vcredist2015 package files install completed. Performing other installation steps.The install of vcredist2015 was successful.Software install location not explicitly set, could be in package ordefault install location if installer.python3 v3.9.6 [Approved]
python3 package files install completed. Performing other installation steps.
Installing 64-bit python3...
python3 has been installed.
Python installed to: 'C:\Python39'
Restricting write permissions to Administratorspython3 can be automatically uninstalled.
Environment Vars (like PATH) have changed. Close/reopen your shell tosee the changes (or in powershell/cmd.exe just type `refreshenv`).The install of python3 was successful.Software installed as 'exe', install location is likely default.Chocolatey installed 10/10 packages.See the log for details (C:\ProgramData\chocolatey\logs\chocolatey.log).Installed:- kb2919355 v1.0.20160915- kb3033929 v1.0.5- chocolatey-core.extension v1.3.5.1- kb2999226 v1.0.20181019- python3 v3.9.6- vcredist2015 v14.0.24215.20170201- kb2919442 v1.0.20160915- vcredist140 v14.29.30037- kb3035131 v1.0.3- chocolatey-windowsupdate.extension v1.0.4Packages requiring reboot:- vcredist140 (exit code 3010)The recent package changes indicate a reboot is necessary.Please reboot at your earliest convenience.

3.检查python 的版本

cmd >python -V
Python 3.9.6

编写 python 程序 Helloworld

cmd >python
Python 3.9.6 (tags/v3.9.6:db3ff76, Jun 28 2021, 15:26:21) [MSC v.1929 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> print('Hello World!')
Hello World!
>>> exit()