conda support env+python version

Conda

https://docs.conda.io/projects/conda/en/latest/index.html

Conda Documentation

Welcome to conda's documentation! Conda provides package, dependency, and environment management for any language. Here, you will find everything you need to get started using conda in your own projects.

 

https://docs.conda.io/projects/conda/en/latest/user-guide/tasks/manage-python.html

conda search python

conda create -n py39 python=3.9

 

 

https://www.bytezonex.com/archives/17.html

查看可用的Python版本

要查看conda可以安装的Python版本的列表，您可以在终端窗口或Anaconda提示符中运行以下命令：

conda search --full-name python

这将列出所有名称完全为python的包，以及它们的版本和构建信息。例如：

# Name                       Version           Build  Channel       
python                         2.7.10               0  pkgs/free     
python                         2.7.10               1  pkgs/free     
python                         2.7.10               2  pkgs/free     
python                         2.7.11               0  pkgs/free     
python                         2.7.12               0  pkgs/free     
python                         2.7.12               1  pkgs/free     
python                         2.7.13               0  pkgs/free     
python                         2.7.14      h4a10d90_30  pkgs/main     
python                         2.7.14      h4a10d90_31  pkgs/main     
python                         2.7.14      h4a10d90_32  pkgs/main     
python                         2.7.15      h2880e7c_29  pkgs/main     
python                         2.7.15      h2880e7c_30  pkgs/main     
python                         2.7.15      h2880e7c_31  pkgs/main     
python                         2.7.15      h2880e7c_32  pkgs/main     
python                         2.7.15      h2880e7c_33  pkgs/main     
python                         2.7.15      h2880e7c_34  pkgs/main     
python                         2.7.15      h2880e7c_35  pkgs/main     
python                         2.7.15      h2880e7c_36  pkgs/main     
python                         2.7.15      h2880e7c_37  pkgs/main     
python                         2.7.15      h2880e7c_38  pkgs/main     
...