python: error while loading shared libraries: libpython3.4m.so.1.0: cannot open shared object file: No such file or directory

Question

I have created a python virtual environment using virtualenv, after activating it, I can see where is Python installed in my shell as following:

Answer 1

For me, libpython3.6m.so.1.0 was in the folder where I downloaded Python source (~/Python3.6.9).

I simply did : sudo cp ~/Python3.6.9/libpython3.6m.so.1.0 /usr/local/lib/python3.6/

and : export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/python3.6