Respond to start and help commands

bot.py

@@ -9,6 +9,7 @@ import logging
 
 import aiohttp
 from telethon import TelegramClient, events
+from telethon.tl.custom import Button
 from bs4 import BeautifulSoup
 
 # Enable logging
@@ -28,6 +29,7 @@ bot = TelegramClient('xkcd', 6, 'eb06d4abfb49dc3eeb1aeb98ae0f581e')
 bot.parse_mode = 'html'
 
 session = None  # set later
+me = None  # set later
 
 # blockquote element -> Xkcd
 async def parse_blockquote(elem):
@@ -68,15 +70,19 @@ async def get_xkcds(text):
 @bot.on(events.NewMessage(pattern='/start$'))
 async def start(event):
     """Send a message when the command /start is issued."""
-    # TODO
-    await event.respond('Hi!')
+    await event.respond(
+        f"Hello! I'm {me.username} and I search for XKCD when used inline.",
+        buttons=Button.switch_inline('Try it!', 'cheaply')
+    )
 
 
 @bot.on(events.NewMessage(pattern='/help$'))
 async def help(event):
     """Send a message when the command /help is issued."""
-    # TODO
-    await event.respond('Help!')
+    await event.respond(
+        f"I only work inline, and it is my job to search for XKCD comics!",
+        buttons=Button.switch_inline('Try it!', 'cheaply')
+    )
 
 
 @bot.on(events.InlineQuery)
@@ -102,10 +108,11 @@ async def inlinequery(event):
 
 
 async def main():
-    global session
+    global session, me
     async with aiohttp.ClientSession() as session:
         await bot.start(bot_token=environ['TOKEN'])
         async with bot:
+            me = await bot.get_me()
             await bot.run_until_disconnected()