anaconda:Env creation from python 3.7 not working M1 Apple Silicon Mac

在anaconda上执行如下命令，想创建python3.7的环境

conda create -n myenv python=3.7 
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发现无法创建

Collecting package metadata (current_repodata.json): done
Solving environment: failed with repodata from current_repodata.json, will retry with next repodata source.
Collecting package metadata (repodata.json): done
Solving environment: failed

PackagesNotFoundError: The following packages are not available from current channels:

  - python=3.7

Current channels:
......
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发现对于Apple Silicon，python没有低于3.7以下的版本。因此直接换成3.8的版本…

具体可以参考github说明

https://github.com/conda/conda/issues/12206