title: python 3: splitting information and reporting occurrences
body: <p>Say for example i want to count how many times bob visits sears and walmart how would i do this by creating dictionaries?</p>
  
  <pre><code>information given:
  bob:oct1:sears
  bob:oct1:walmart
  mary:oct2:walmart
  don:oct2:sears
  bob:oct4:walmart
  mary:oct4:sears
  </code></pre>