title: I can't run this python code
body: <p>I have written some python code but this is not giving me any output please help me to solve.</p>
  
  <pre><code>def main():
      num1 = int(raw_input("Enter first number"))
      num2 = int(raw_input("Enter second number"))
  
      result = num1 + num2
  
      print result
  </code></pre>