python be enhanced picture

import os from PIL 
import Image from PIL 
import ImageEnhance

def ImageAugument():    
     path = r'C:\Users\wy\Desktop\kd'    
     files = os.listdir(path)     
     prefix = path + '/'  
 for file in files: 
 image = Image.open(prefix + file) 
 # image.show()
 #亮度增强
 enh_bri = ImageEnhance.Brightness(image)
 brightness = 1.5 
 image_brightened = enh_bri.enhance(brightness) 
 image_brightened.save(prefix + file[0:6] + 'lightup' + '.jpg')  

           #色度增强
           enh_col = ImageEnhance.Color(image)
           color = 1.5 
           image_colored = enh_col.enhance(color) 
           image_colored.save(prefix + file[0:6] + 'colorup' + '.jpg')

           #对比度增强 
           enh_con = ImageEnhance.Contrast(image) 
           contrast = 1.3
           image_contrasted = enh_con.enhance(contrast)
           image_contrasted.save(prefix + file[0:6] + 'contrastup' + '.jpg')

           #锐度增强 
           enh_sha = ImageEnhance.Sharpness(image) 
           sharpness = 2.8 
           image_sharped = enh_sha.enhance(sharpness) 
           image_sharped.save(prefix + file[0:6] + 'moreSharp' + '.jpg')

if __name__ == '__main__': 
 ImageAugument()