基于Conda完成创建多版本python环境

通过cmd打开conda环境

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d:\ProgramData\Anaconda3\Scripts\activate

创建python3.7的环境

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conda create -n py3.7 python=3.7

产生错误

Collecting package metadata (repodata.json): failed UnavailableInvalidChannel: The channel is not accessible or is invalid. channel name: pypi/simple channel url: http://mirrors.aliyun.com/pypi/simple error code: 404 You will need to adjust your conda configuration to proceed. Use conda config --show channels to view your configuration’s current state, and use conda config --show-sources to view config file locations.

解决UnavailableInvalidChannel错误按照提示输出channels和sources

代码语言：javascript

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(base) E:\vscode\zhaopin>conda config --show channels
channels:
  - http://mirrors.aliyun.com/pypi/simple/
(base) E:\vscode\zhaopin>conda config --show-sources

==> C:\Users\DELL.condarc <==

ssl_verify: True

channels:

http://mirrors.aliyun.com/pypi/simple/

show_channel_urls: True

移除指定的案例镜像

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(base) E:\vscode\zhaopin>conda config --remove-key channels

(base) E:\vscode\zhaopin>conda config --show-sources

==> C:\Users\DELL.condarc <==

ssl_verify: True

show_channel_urls: True
(base) E:\vscode\zhaopin>conda config --show channels

channels:

defaults

重新创建python3.7环境

代码语言：javascript

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conda create -n py3.7 python=3.7.0

激活python3.7的环境

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conda activate py3.7

查看存在的python版本

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conda env list