title: How to find the count of a word in a string
body: <p>I have a string "<code>Hello I am going to I with hello am</code>". I want to find how many times a word occur in the string. Example hello occurs 2 time. I tried this approach that only prints characters - </p>
  
  <pre><code>def countWord(input_string):
      d = {}
      for word in input_string:
          try:
              d[word] += 1
          except:
              d[word] = 1
  
      for k in d.keys():
          print "%s: %d" % (k, d[k])
  print countWord("Hello I am going to I with Hello am")
  </code></pre>
  
  <p>I want to learn how to find the word count.</p>