_46_specialvariable__name__.py

# print(__name__) # __main__
# print('hello'+__name__) # hello__main__

import _46_demo #hello from demo_46_demo

# print(__name__) # __main__
print('hello from sp'+__name__)  # hello from sp__main__
print("its time to calculate")


# __name__ variable when imported will print name of module