python
import openpyxl
python
wb = openpyxl.load_workbook('filename.xlsx')
python
sheet = wb['Sheet1']
python
value = sheet['A1'].value
python
sheet['A1'] = 'Hello World!'
python
cell_range = sheet['A1:C3']
python
for row in sheet['A1:C3']:
for cell in row:
print(cell.value)
python
max_row = sheet.max_row
max_column = sheet.max_column
python
sheet.append([1, 2, 3])
python
wb.save('filename.xlsx')
