# This program is free software: 
# you can redistribute it and/or modify it under the terms of the GNU General Public License as published 
# by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, 
# but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
# See the GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License along with this program. 
# If not, see <https://www.gnu.org/licenses/>.

def say_hello():
    print("Hello, world!")


if __name__ == "__main__":
    say_hello()
