Python code for a WhatsApp spam bot: https://github.com/Akshayjyoti/WhatsApp-Spam-Bot/blob/main/whatsapp.py
Version 2.0
Testing date: September 4, 2021

Working procedure:

1. Enter the name of user or group.
   
2. Enter your message.
   
3. Enter the number of times the message is to be sent.
   
4. Enter the interval (in seconds) between messages.
   
5. Optional bot prompt.
   
6. Pressing 'Enter' will make the bot enter the specific chat and start sending identical messages.
   
   

Note 1: Maximize the Chrome window as soon as it opens.
Note 2: Ignore warnings while entering name of user or group.
Note 3: Please make sure the name of the user or group is entered correctly (case sensitive).

Warning: Lines 31 and 37 of the code may need to be modified with change in Chrome version. The required tags can be found by using "Inspect element" feature on WhatsApp Web page.