10 man discord bot :)

import discord

client = discord.Client()
email = "clearskypony@gmail.com"
password = "mlpdashie1"

numofplayers = 10

@client.event
async def on_message(message):
    entered = []
    if message.author == client.user:
        return

    if message.content.startswith("!hello"):
        msg = "Hello {0.author.mention}".format(message)
        await client.send_message(message.channel, msg)

    if message.content.startswith("!10man"):
        await client.send_message(message.channel, "Starting 10 man:\nTo enter, type '!enter'\nTo leave type '!leave'\nTo list the current users in the 10 man, type '!listusers'")
        while len(entered) <= numofplayers:
            if len(entered) == numofplayers:
                msg = "Starting 10 man with the following users: ".format(message)
                await client.send_message(message.channel, msg)
                x = 0
                while x < numofplayers:
                    username = (entered[x])
                    await client.send_message(message.channel, username)
                    x += 1
                entered = []
                return
            else:
                messageobj = await client.wait_for_message()
                content = messageobj.content
                author = messageobj.author
                author = str(author)
                if content.startswith("!enter"):
                    if any(author in s for s in entered):
                        msg = "Cannot add {0.author.mention} to 10 man, because {0.author.mention} is already a part of the 10 man".format(message)
                        await client.send_message(message.channel, msg)
                    else:
                        entered.append(author)
                        msg = "Entered {0.author.mention} to the 10 man, to leave type '!leave'".format(message)
                        await client.send_message(message.channel, msg)
                if content.startswith("!leave"):
                    if any(author in s for s in entered):
                        entered.remove(author)
                        msg = "Removed {0.author.mention} from the 10 man".format(message)
                        await client.send_message(message.channel, msg)
                    else:
                        msg = "Cannot remove {0.author.mention} from the 10 man, because {0.author.mention} is not in the 10 man".format(message)
                        await client.send_message(message.channel, msg)
                if content.startswith("!listusers"):
                    x = 0
                    await client.send_message(message.channel, "Current users in 10 man: ")
                    while x < len(entered):
                        username = entered[x]
                        await client.send_message(message.channel, username)
                        x += 1


@client.event
async def on_ready():
    print('Logged in as')
    print(client.user.name)
    print(client.user.id)

client.run(email, password)