Python Excel文件新建写入读取

import openpyxl 
# 写入的代码：
wb = openpyxl.Workbook() 
sheet = wb.active
sheet.title = 'new title'
sheet['A1'] = '漫威宇宙'
rows = [['美国队长','钢铁侠','蜘蛛侠','雷神'],['是','漫威','宇宙', '经典','人物']]
for i in rows:
    sheet.append(i)
print(rows)
wb.save('Marvel.xlsx')

# 读取的代码：
wb = openpyxl.load_workbook('Marvel.xlsx')
sheet = wb['new title']
sheetname = wb.sheetnames
print(sheetname)
A1_cell = sheet['A1']
A1_value = A1_cell.value
print(A1_value)