title: determin the number of letters in a word?
body: <p>hi i want  a built in function or a method to determine the number of letters in words the vowels and constants </p>
  
  <p>I know in php there is strlen is there an equivalent to it in python?</p>
  
  <p>I tried to use sum but it did not work</p>
  
  <pre><code>def num_of_letters(word)
    (str)-&gt;int
  '''
  
  
  '''
  sum(word)
  </code></pre>
  
  <p>I am a newbie in programming   any help and explanation would be appreciated</p>