# or use commands.guild_only() as a function decorator.
if ctx.guild is None:
    await ctx.send("This command does not work outside guilds.")
# check if the user who invoked the command can kick members.
# could easily be replaced with commands.has_permissions(manage_messages=True)
# as a function decorator
elif ctx.author.guild_permissions.kick_members:
    # kick the member
    await member.kick()
    # notify the user that the member was kicked.
    # Member thas the method __str__()
    # which allows it to be formatted to username#discriminator
    await ctx.send(f"Successfully kicked {member}")

# the member did not have the permissions to kick members
else:
    await ctx.send(f"{ctx.author.mention}: You do not have permission to kick members.")

# ---------------------------------------------

# or use commands.guild_only() as a function decorator.
if ctx.guild is None:
    await ctx.send("This command does not work outside guilds.")
# check if the user who invoked the command can ban members.
# or just have commands.has_permissions(ban_members=True)
elif ctx.author.guild_permissions.ban_members:
    # ban the member
    await member.ban()
    # notify the user that the member was banned.
    await ctx.send(f"Successfully banned {member}")

# the member did not have the permissions to ban members
else:
    await ctx.send(f"{ctx.author.mention}: You do not have permission to ban members.")

# ---------------------------------------------

l = 100
if limit > l:
    await ctx.send(f"The limit of messages to clear is 100.")
# or use commands.guild_only() as a function decorator.
elif ctx.guild is None:
    await ctx.send("This command does not work outside guilds.")
# check if the user who invoked the command can manage messages.
# or use commands.has_permissions(manage_messages=True)
elif ctx.author.guild_permissions.kick_members:
    # purge the channel
    # +1 so it also deleted the command message.
    await ctx.channel.purge(limit+1)
    # notify the user that the messages where cleared, because he's blind or something, idk.
    await ctx.send(f"Successfully cleared {limit} messages.", delete_after=5)
# the member did not have the permissions to kick users
else:
    await ctx.send(f"{ctx.author.mention}: You do not have permission to delete messages.")