import os
import glob
files = glob.glob('year*.jpg')
for file in files:
os.rename(file, 'year_{}'.format(file.split('_')[1]))
一行可以分为:
for file in files:
parts = file.split('_') #[abc, 2000.jpg]
new_name = 'year_{}'.format(parts[1]) #year_2000.jpg
os.rename(file, new_name)