title: Python Openpyxl, copy and paste cell range
body: <p>I know how to select a cell range in Openpyxl:</p>
  
  <pre><code>cell_range = sheet['A1':'C3']
  </code></pre>
  
  <p>How can I paste cell_range above to another range, like <code>sheet['A11':'C13']</code>?</p>