python 随机生成图片验证码背景RGB-浅色或者深色

1 import random
2 def random_color(is_light = True):
3     return (random.randint(0 ,127) + int(is_light) * 128,random.randint(0,127) + int(is_light) * 128,random.randint(0,127) + int(is_light) * 128)
4 
5 back_color = random_color(is_light= True)