"""Infinite loop

This program runs in an infinite loop (don't run unless you know how to stop it!).

Note:
    * CTRL-C usually works

"""


def main():
    while True:
        print('Hello world!')


# If P05_infiniteloop.py is run (instead of imported as a module), call
# the main() function:
if __name__ == '__main__':
    main()
