python 6 lines of code to get the picture batch rename

import pandas as pd
import os

f1=pd.read_excel('花.xlsx',converters = {'name':int,'rename':str})

As shown below, it is f1.
Read 'flower .xlsx' file, read 'nama' in the form of an integer, read as text 'rename'.

the original name for the picture naming. rename rename a picture of the results.

filelist=os.listdir('图片')

As shown below, the read image is stored to rename folder called 'picture'.

The aim is to top six pictures, rename its nickname.

for item in filelist:
    for i in range(len(f1)):
        if item == str(f1.iloc[i,0])+".jpg":
            os.rename('./图片/'+item,'图片/'+f1.iloc[i,1]+".jpg")

Complete code:

import pandas as pd
import os

f1=pd.read_excel('花.xlsx',converters = {'name':int,'rename':str})    
filelist=os.listdir('图片')      
    
for item in filelist:
    for i in range(len(f1)):
        if item == str(f1.iloc[i,0])+".jpg":
            os.rename('./图片/'+item,'图片/'+f1.iloc[i,1]+".jpg")