what's manage.py in django code example

Example 1: manage.py

It is your tool for executing many Django-specific tasks such as
 starting a new app within a project, running the development server, 
 running your tests etc.
 Example: python manage.py runserver

Example 2: django run manage.py from python

from django.core import management
management.call_command('loaddata', 'test_data', verbosity=0)