Quaasaar

import discord
from discord.ext import commands

client = commands.Bot(command_prefix='!')
cycles = dict(test1=True)


@client.command(pass_context=True)
async def stop(ctx):
	cycles["test1"] = False


@client.command(pass_context=True)
async def test1(ctx):
    while cycles["test1"]:
        await ctx.send('Test')


client.run ("TOKEN")

from threading import Thread
import discord
from discord.ext import commands

bot = commands.Bot(command_prefix='!')


@bot.command(pass_context=True)
async def f(ctx):
    for i in range(3):
        await ctx.send('Test2')


@bot.command(pass_context=True)
async def f_2(ctx):
    for i in range(3):
        await ctx.send('Test')


@bot.command(pass_context=True)
async def test1(ctx):
    bot.loop.create_task(f(ctx))
    bot.loop.create_task(f_2(ctx))


bot.run()