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$ module load mamba/latest
$ source activate <public_environment_name>
$ mamba env export --from-history --no-builds -n <public_environment_name> > /your/path/to/<public_environment_name>.yaml
$ source deactivate
$ mamba create -n <your_environment_name> python=3
$ mamba env updatecreate -n <your_environment_name> --file /your/path/to/<public_environment_name>.yaml

Line 3 above asks mamba to export the list of packages without the version numbers nor the hashes in this public environment, unless the version numbers were specified during the installation process of this public environment. If you wish to preserve all the version numbers, the --from-history and the --no-buildsflag should be removed. Note that some public environments are old, and some version conflicts may arise if you specify the version numbers in the .yaml file.

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