1 import pandas as pd
 2 
 3 # 加载数据
 4 data_1 = pd.read_excel("./填充数据.xlsx", sheetname=0)
 5 data_2 = pd.read_excel("./填充数据.xlsx", sheetname=1)
 6 
 7 print("data_1: \n", data_1)
 8 print("data_2: \n", data_2)
 9 
10 data_1 = data_1.combine_first(data_2)
11 
12 print("data_1: \n", data_1)