import openpyxl 
wb = openpyxl.load_workbook('example.xlsx') 
sheet = wb.get_sheet_by_name('Sheet1') 
for row in sheet.iter_rows(): 
 for cell in row: 
  print(cell.coordinate, cell.value) 
print('--- END OF ROW ---') 

sheet = wb.get_sheet_by_name('Sheet1') 
for rowOfCellObjects in sheet['A1':'C3']: 
 for cellObj in rowOfCellObjects: 
  print(cellObj.coordinate, cellObj.value) 
print('--- END OF ROW ---')