The docker-multi-python from fkrull

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How can I run that?

Can you please explain in your README how to run that container?

It is not clear for someone new to Docker.

In my specific case I don't want to land in the REPL but in a bash shell and doing some tests with the different python versions. E.g.

python3.6 ./myscript.py
python3.11 ./myscript.py

But I don't know how to start your container that way.

Feature Request: Python 3.10 support

Please, add support for Python 3.10 since it is already officially released

`import numpy` fails in Python 3.9 on fkrull/multi-python:focal

How to reproduce the issue

Run a docker container based on the image:

docker run -it fkrull/multi-python:focal sh

Install numpy and import it inside the container:

python3.9 -m pip install numpy && python3.9 -c "import numpy"

Output

Collecting numpy
  Downloading numpy-1.20.1-cp39-cp39-manylinux2010_x86_64.whl (15.4 MB)
     |████████████████████████████████| 15.4 MB 7.8 MB/s
Installing collected packages: numpy
Successfully installed numpy-1.20.1
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/local/lib/python3.9/dist-packages/numpy/__init__.py", line 156, in <module>
    from . import random
  File "/usr/local/lib/python3.9/dist-packages/numpy/random/__init__.py", line 179, in <module>
    from . import _pickle
  File "/usr/local/lib/python3.9/dist-packages/numpy/random/_pickle.py", line 1, in <module>
    from .mtrand import RandomState
ImportError: /usr/local/lib/python3.9/dist-packages/numpy/random/mtrand.cpython-39-x86_64-linux-gnu.so: undefined symbol: PyCMethod_New