Discord Christmas Bot

import discord
from time import sleep
client = discord.Client()
def ret_key(x): return x.name.lower()
@client.event
async def on_ready():
    print('Logged in as')
    print(client.user.name)
    print(client.user.id)
    print('------')

    #things you can change here
    colour_change_delay = 1
    userlist_update_delay = 5
    role_0_name = "christmas-0"
    role_1_name = "christmas-1"
    bot_key = ""

    #no touch below here
    state =0
    timer =0
    users =[]
    server=[x for x in client.servers][0]
    role=[0,0]
    role[0]=discord.utils.find(lambda m: m.name.lower()==role_0_name.lower(),server.roles)
    role[1]=discord.utils.find(lambda m: m.name.lower()==role_1_name.lower(),server.roles)
    while 1:
        try:
            sleep(colour_change_delay)
            users=sorted([x for x in server.members if (role[0] in x.roles) and str(x.status).lower()!="offline"],key=ret_key)
            if not timer:
                for i in range(len(users)):
                    if i%2:
                        if role[1] not in users[i].roles:
                            await client.add_roles(users[i], role[1])
                    else:
                        if role[1] in users[i].roles:
                            await client.remove_roles(users[i], role[1])
            state=(state+1)%2
            clr = discord.Colour(((255<<16)+(0<<8)+0))
            await client.edit_role(server, role[state], colour=clr)
            clr = discord.Colour(((0<<16)+(255<<8)+0))
            await client.edit_role(server, role[(state+1)%2], colour=clr)
            timer=(timer+1)%userlist_update_delay
        except Exception as e: print(e);break
client.run(bot_key)