Download chrome driver using this link: https://chromedriver.chromium.org/
first time you must need to scan qr code and then it didn't ask you for scanning the qr code. so that you must need to set the cache
This is link for all os user data dir location: https://chromium.googlesource.com/chromium/src.git/+/62.0.3202.58/docs/user_data_dir.md
set the chromedriver path in that line in python file. driver=webdriver.Chrome(executable_path='path of chromedriver', options=options)
set the time in this place(///"hour"///, ///"minute"///). if (time.localtime(time.time()).tm_hour == ///"hour"/// and time.localtime(time.time()).tm_min == ///"minute"///)
give the name of the person whom did you want to send a message. username_list = ['XXX', 'YYY', 'ZZZ']
Note: how did you save that name in your contact. (Like arun Dosthu, venki frd, Friend, Crush, Priya drlng) Uppercase, Lowercase included