title: In Python, what is the difference between ".append()" and "+= []"?
body: <p>What is the difference between:</p>
  
  <pre><code>some_list1 = []
  some_list1.append("something")
  </code></pre>
  
  <p>and</p>
  
  <pre><code>some_list2 = []
  some_list2 += ["something"]
  </code></pre>