hello

import os
import sys
import time

def clear():
  os.system("clear || cls")
  time.sleep(1)

def main():
  while True:
       print("Hello, World!")
       time.sleep(1)
       print("Hello, Program!")
       time.sleep(1)
       print("Hello, Project!")
       time.sleep(1)

if __name__ == "__main__":
  clear()
  main()