title: Find and replace in cells from excel in python
body: <p>Where I have a cell in an .xlsx file that is "=..." I want to replace the "=" with '=, so can see the cells as strings rather than as the values. </p>
  
  <p>For example, </p>
  
  <pre><code>A1 = 5
  
  A2 = 10
  
  A3 = (A1/A2) = 0.5
  </code></pre>
  
  <p>I want to see <code>=A1/A2</code> rather than 0.5. </p>
  
  <p>Thank you in advance for any and all help.</p>