# congrats.py

import sys

def main():
    '''You can use this programm in this way: congrats.py [your_name]'''

    if len(sys.argv) > 1:
        if sys.argv[1] == '--h' or sys.argv[1] == '-help':
            print('\n' + main.__doc__)
        else:
            print("\nCongratulations, %s! Happy Programmer's Day!" % sys.argv[1])
    else:
        print('''
In this little programm I'd like to congratulate all programmers around the world with our professional day!
It doesn't matter if you're a professional programmer, or you're still studying, or programming is just a hobby for you.
The only one thing is important that you really love this!
Let's celebrate!, warriors of compilers and translators!''')

if __name__ == '__main__':
    main()