Basic functionality

!roll
!ping

Hiding token

cogs/ping.py

@@ -0,0 +1,19 @@
+import discord
+from discord.ext import commands
+
+class Ping(commands.Cog):
+    def __init__(self, client):
+        self.client = client
+
+    @commands.Cog.listener()
+    async def on_ready(self):
+        print("Ping.py is ready")
+
+    @commands.command()
+    async def ping(self, ctx):
+        bot_latency = round(self.client.latency * 1000)
+        await ctx.send(f"pong! {bot_latency}ms.")
+
+
+async def setup(client):
+    await client.add_cog(Ping(client))