def main(username1=None,username2=None):
    if username1 and username1:
        import sys
        sys.stdout.write(f"Github:{username1}\nDiscord:{username2}")
if __name__=="__main__":
    main("p3hv","p3hv")

┌──(SStorm㉿p3hv)-[~]
└─$ python main.py
Github:  p3hv
Discord: p3hv