Python Intro - Compile and Install numpy library on Ubuntu

1. Get the source code of numpy

     for example:

     numpy-1.9.2.zip

2. Unzip source code zip file

    unzip numpy-1.9.2.zip

3. build and install numpy

3.1 enter into numpy-1.9.2 directory

      cd numpy-1.9.2

3.2 build numpy

      python3 setup.py build --fcompiler=gcc

3.3 install numpy

      python3 setup.py install

4.   verify installation

#!/usr/local/bin/python3

try:
    import numpy
except ImportError:
    print("numpy is not installed")

print("numpy version = ", numpy.__version__);