determin the number of letters in a word?
<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>
