log when user joins voice channel discord.py code example

Example 1: discord.py add role on member join

intents = discord.Intents.default()
intents.members = True
client = commands.Bot(command_prefix=',', intents=intents)

@client.event 
async def on_member_join(member):
  role = get(member.guild.roles, id=role_id)
  await member.add_roles(role)

Example 2: python discord bot join voice channel

@bot.command()
async def join(ctx):
    channel = ctx.author.voice.channel
    await channel.connect()
@bot.command()
async def leave(ctx):
    await ctx.voice_client.disconnect()