Pythonのexcel処理操作

import  pandas as pd

df =pd.DataFrame()
df.to_excel('C:/Users/Administrator/Desktop/output.xlsx')
print("done!")

#   read_excel()   ，    “engine='openpyxl'”，  openpyxl    xlsx  。 ：read_excel(path,engine='openpyxl')
board=pd.read_excel('C:/Users/Administrator/Desktop/data.xlsx',engine='openpyxl')
print(board.shape)
print(board)

import matplotlib.pyplot as plt

board.plot.line(x='  ',y='  ')
plt.show()

board.plot.bar(x='  ',y=['  ','    '],color=['orange','red'])
plt.show()