python(numpy) version check

1) Platform information::

     python -c 'import os, sys; print(os.name, sys.platform)'

     uname -a

     OS, its distribution name and version information

     etc.

2) Information about C,C++,Fortran compilers/linkers as reported by

   the compilers when requesting their version information, e.g.,

   the output of

   ::

     gcc -v

     g77 --version

3) Python version::

     python -c 'import sys; print(sys.version)'

4) NumPy version::

     python -c 'import numpy; print(numpy.__version__)'