title: Don't get why I'm getting an 'int' object is not iterable Error
body: <p>Don't get why I'm getting an TypeError: 'int' object is not iterable</p>
  
  <pre><code>first_age = int(input("Enter your age: "))
  second_age = int(input("Enter your age: "))
  total = sum(first_age, second_age)
  print("Together you're {} years old".format(total))
  </code></pre>
  
  <pre class="lang-none prettyprint-override"><code>Enter your age: 1
  Enter your age: 1
  ---------------------------------------------------------------------------
  TypeError                                 Traceback (most recent call last)
  &lt;ipython-input-25-6375ca82c6eb&gt; in &lt;module&gt;
        4 second_age = int(input("Enter your age: "))
        5 
  ----&gt; 6 total = sum(first_age, second_age)
        7 
        8 print("Together you're {} years old".format(total))
  
  TypeError: 'int' object is not iterable
  
  TypeError                                 Traceback (most recent call last)
  &lt;ipython-input-25-6375ca82c6eb&gt; in &lt;module&gt;
        4 second_age = int(input("Enter your age: "))
        5 
  ----&gt; 6 total = sum(first_age, second_age)
        7 
        8 print("Together you're {} years old".format(total))
  
  TypeError: 'int' object is not iterable
  </code></pre>