【面试题】Python基础题库

1.随机生成手机号码
import string
import random
def phone_num():
    all_phone_nums=set()
    num_start = ['134', '135', '136', '137', '138', '139', '150', '151', '152', '158', '159', '157', '182', '187', '188',
    '147', '130', '131', '132', '155', '156', '185', '186', '133', '153', '180', '189']

    start = random.choice(num_start)
    end = ''.join(random.sample(string.digits,8))
    res = start+end+'\n'
    return res