Conda

# create an env
conda create --name envName python=3.9

# enter env
conda activate envName

# exit env
conda deactivate

# install a package.... best googleing it
conda install -c packageName
# or
pip install packageName

# update package
conda update packageName

# update conda
conda update conda

# remove package
conda remove packageName

# list packages
conda list

# list existing envs
conda env list

Exporting and importing envs

conda env export > environment.yml
# exclude the prefix with
conda env export | sed '/^prefix: /d' > environment.yml

conda env create -f environment.yml
# or this if you want to choose the env name
conda env create --name newEnvName -f environment.yml