title: How to create custom keyboard in telegram bot with python?
body: <p>my code is:</p>
  
  <pre><code>from telegram.ext import Updater, CommandHandler , MessageHandler, Filters
  
  token = Updater("token")
  reply_markup = telegram.ReplyKeyboardMarkup([[telegram.KeyboardButton('Share contact', request_contact=True)]])
  </code></pre>
  
  <p>and there is an error: 
  Traceback (most recent call last):
    File "myFirstBot.py", line 15, in 
      reply_markup = telegram.ReplyKeyboardMarkup([[telegram.KeyboardButton('Share contact', request_contact=True)]])
  NameError: name 'telegram' is not defined</p>