jupyter中配置多种虚拟环境

Microsoft Windows [版本 10.0.19044.2251]
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C:\Users\ThinkStation>conda activate pytorch
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(pytorch) C:\Users\ThinkStation>conda install ipykernel
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Collecting package metadata (current_repodata.json): done
Solving environment: failed with initial frozen solve. Retrying with flexible solve.
Solving environment: failed with repodata from current_repodata.json, will retry with next repodata source.
Collecting package metadata (repodata.json): done
Solving environment: done

Package Plan

environment location: D:\Users\ThinkStation\anaconda3\envs\pytorch

added / updated specs:

• ipykernel

The following packages will be downloaded:

---

​ Total: 10.5 MB

The following NEW packages will be INSTALLED:

backcall pkgs/main/noarch::backcall-0.2.0-pyhd3eb1b0_0 None
colorama pkgs/main/noarch::colorama-0.4.4-pyhd3eb1b0_0 None
decorator pkgs/main/noarch::decorator-5.1.1-pyhd3eb1b0_0 None
entrypoints pkgs/main/win-64::entrypoints-0.3-py36_0 None
ipykernel pkgs/main/win-64::ipykernel-5.3.4-py36h5ca1d4c_0 None
ipython pkgs/main/win-64::ipython-7.16.1-py36h5ca1d4c_0 None
ipython_genutils pkgs/main/noarch::ipython_genutils-0.2.0-pyhd3eb1b0_1 None
jedi pkgs/main/win-64::jedi-0.17.0-py36_0 None
jupyter_client pkgs/main/noarch::jupyter_client-7.1.2-pyhd3eb1b0_0 None
jupyter_core pkgs/main/win-64::jupyter_core-4.8.1-py36haa95532_0 None
nest-asyncio pkgs/main/noarch::nest-asyncio-1.5.1-pyhd3eb1b0_0 None
parso pkgs/main/noarch::parso-0.8.3-pyhd3eb1b0_0 None
pickleshare pkgs/main/noarch::pickleshare-0.7.5-pyhd3eb1b0_1003 None
prompt-toolkit pkgs/main/noarch::prompt-toolkit-3.0.20-pyhd3eb1b0_0 None
pygments pkgs/main/noarch::pygments-2.11.2-pyhd3eb1b0_0 None
python-dateutil pkgs/main/noarch::python-dateutil-2.8.2-pyhd3eb1b0_0 None
pywin32 pkgs/main/win-64::pywin32-228-py36hbaba5e8_1 None
pyzmq pkgs/main/win-64::pyzmq-22.2.1-py36hd77b12b_1 None
six pkgs/main/noarch::six-1.16.0-pyhd3eb1b0_1 None
tornado pkgs/main/win-64::tornado-6.1-py36h2bbff1b_0 None
traitlets pkgs/main/win-64::traitlets-4.3.3-py36haa95532_0 None
wcwidth pkgs/main/noarch::wcwidth-0.2.5-pyhd3eb1b0_0 None

Proceed ([y]/n)?y
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done
Retrieving notices: …working… done

(pytorch) C:\Users\ThinkStation>python -m ipykernel install --user --name pytorch --display-name "pytorch"
Installed kernelspec pytorch in C:\Users\ThinkStation\AppData\Roaming\jupyter\kernels\pytorch
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(pytorch) C:\Users\ThinkStation>python -m ipykernel install --user --name TF2.4 --display-name "TF2.4"
Installed kernelspec TF2.4 in C:\Users\ThinkStation\AppData\Roaming\jupyter\kernels\tf2.4
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(pytorch) C:\Users\ThinkStation>python -m ipykernel install --user --name TensorFlow1.15 --display-name "TF1.15"
Installed kernelspec TensorFlow1.15 in C:\Users\ThinkStation\AppData\Roaming\jupyter\kernels\tensorflow1.15
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打开jupter