python sheet寫入數據

import pandas as pd
from pandas import DataFrame
import openpyxl
from openpyxl import load_workbook
from openpyxl import Workbook
student=pd.read_excel('13.xlsx')
writer = pd.ExcelWriter('12.xlsx','openpyxl')#要寫入的路徑
book = load_workbook(writer.path)
writer.book = book
student.to_excel(excel_writer=writer,sheet_name="ALLDATA1")#生成新的sheet命名為ALLDATA
writer.save()
writer.close()
print ('處理完成！')