old_contents: # Write a program to invert the row and column of the cells in the spreadsheet.
  # For example, the value at row 5, column 3 will be at row 3, column 5
  # (and vice versa). This should be done for all cells in the spreadsheet.
  
new_contents: # Write a program to invert the row and column of the cells in the spreadsheet.
  # For example, the value at row 5, column 3 will be at row 3, column 5
  # (and vice versa). This should be done for all cells in the spreadsheet.
  
  import sys
  import openpyxl
  
  # Get argument from commandline
  file = ''.join(sys.argv[1])
  
  
  # Open workbooks
  readwb = openpyxl.load_workbook(file)
  readsheet = readwb.active
  
  writewb = openpyxl.Workbook()
  writesheet = writewb.active
  
  # Read readwb and transpose into writewb
  for rowNum in range(1, readsheet.max_row + 1):
      for colNum in range(1, readsheet.max_column + 1):
              # Invert columns and rows
              writesheet.cell(row=colNum, column=rowNum).value = readsheet.cell(row=rowNum, column=colNum).value
  
  
  # Save workbook
  writewb.save("updated" + file)
  
subject: Update P3_cellInverter working solution