title: pymysql just select value and save into variable
body: <pre><code>cursor.execute("SELECT price FROM tabel WHERE id = 1600")
  print cursor.fetchone()
  </code></pre>
  
  <p>gives me the output</p>
  
  <pre><code>{u'price': u'4345.6'}
  </code></pre>
  
  <p>how can I select just the value 4345.6 and save it in a variable to do some math?</p>