Create a directory in which to implement your package. Suggestion: Materials/Work/test_package.
Create 3 files in that directory: (1) __init__.py, (2) module1.py, and (3) module2.py.
In module1.py, create one function named "function1".
In module2.py, create one function named "function2"..
In __init__.py, do each of the following:
Test your package by changing the directory above your package, starting the python interactive prompt, then importing your package. Example:
$ cd Materials/Work $ python Python 2.7.5 (default, Sep 1 2013, 09:04:34) [GCC 4.7.3] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import test_package