Python Rockstar with Great Skills In Visualization of Reports and GUIs with TKinter

Hi Freelancer! Im looking for somebody to brush up and add to my code to enhance the functionality of it. Essentially, this is a GUI which allows the user to read in .txt files or csv files to visualize and manipulate them and lastly create a report out of it. All details are found in the attachment from code to the exact adjustments to do.