main.py

import os
import sys
import logging
import signal
import time
import asyncio


class BOT:

    def __init__(self, name):
        self.name = name
        self.counter = 0

    async def of_course_i_still_love_you(self):
        while True:
            self.counter += 1
            print(f"{self.name} : {self.counter}")
            await asyncio.sleep(1)

    def just_read_the_instructions(self):
        print(f'Stoping bot {self.name}')


class BotMaster:

    def __init__(self):
        signal.signal(signal.SIGINT, self.cb_sigint_handler)
        self.counter = 0
        self.byob_bot = BOT('BYOB')
        self.atwa_bot = BOT('ATWA')
        self.task_byob = None
        self.task_atwa = None

    async def start_tasks(self):
        self.task_byob = asyncio.ensure_future( self.byob_bot.of_course_i_still_love_you() )
        self.task_atwa = asyncio.ensure_future( self.atwa_bot.of_course_i_still_love_you() )

    def of_course_i_still_love_you(self):
        while True:
            self.counter += 1
            print(f"Botmaster running : {self.counter}")
            time.sleep(1)

    def cb_sigint_handler(self, signum, frame):
        sys.stdout.write('\b\b\r')  # delete ^C from screen
        self.byob_bot.just_read_the_instructions()
        self.atwa_bot.just_read_the_instructions()
        print(f'Ctrl+C detected, Bots stoped ')
        exit()


loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)

bot_master = BotMaster()

tasks = [  
    bot_master.byob_bot.of_course_i_still_love_you(),
    bot_master.atwa_bot.of_course_i_still_love_you()
]

loop.run_until_complete(
    asyncio.wait(tasks)
)