Add basic example bot showcasing the commands ext module.

examples/basic_bot.py

@@ -0,0 +1,51 @@
+import discord
+from discord.ext import commands
+import random
+
+bot = commands.Bot(command_prefix='?')
+
+@bot.event
+async def on_ready():
+    print('Logged in as')
+    print(bot.user.name)
+    print(bot.user.id)
+    print('------')
+
+@bot.command()
+async def add(left : int, right : int):
+    await bot.say(left + right)
+
+@bot.command()
+async def roll(dice : str):
+    try:
+        rolls, limit = map(int, dice.split('d'))
+    except Exception:
+        await bot.say('Format has to be in NdN!')
+        return
+
+    result = ', '.join(str(random.randint(1, limit)) for r in range(rolls))
+    await bot.say(result)
+
+@bot.command()
+async def choose(*choices : str):
+    await bot.say(random.choice(choices))
+
+@bot.command()
+async def repeat(times : int, content='repeating...'):
+    for i in range(times):
+        await bot.say(content)
+
+@bot.command()
+async def joined(member : discord.Member):
+    await bot.say('{0.name} joined in {0.joined_at}'.format(member))
+
+@bot.group(pass_context=True)
+async def cool(ctx):
+    if ctx.invoked_subcommand is None:
+        await bot.say('No, {0.subcommand_passed} is not cool'.format(ctx))
+
+@cool.command()
+async def bob():
+    await bot.say('Yes, bob is cool.')
+
+bot.run('email', 'password')