如何使用循环遍历openpyxl中的单元格

import openpyxl

workbook = openpyxl.load_workbook('filename.xlsx')

worksheet = workbook['sheetname']

for row in worksheet.iter_rows():
    for cell in row:
        # 在这里进行单元格的操作

import openpyxl

workbook = openpyxl.load_workbook('filename.xlsx')
worksheet = workbook['sheetname']

for row in worksheet.iter_rows():
    for cell in row:
        print(cell.value)