title: How do I check the methods that an object has, in Python?
body: <p>For example, a list.</p>
  
  <p>l1 = [1, 5 , 7]
  How do I check the methods that it has?</p>
  
  <p>(l1.append, for example)</p>
  
  <p>Or a string...
  string.lower(</p>