Python指定生成N位随机数

import randomdef randomNum(N):random_number = random.sample(\'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789\',N)return  \'\'.join(random_number)print(randomNum(16))print(randomNum(32))