HELLO is a PYTHON script which prints "Hello, world!"
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
HELLO is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version and a Python version.
HELLO_MPI, a Python program which prints out "Hello, world!" using the MPI parallel programming environment, under MPI4PY.
You can go up one level to the PYTHON source codes.