Python20 - Day06

import random

# print(random.random())  #打印0-1之间的小数
# print(random.randint(1,3))  #大于等于1小于等于3之间的整数
# print(random.randrange(1,5))  #大于等于1小于5之间的整数
# print(random.choice([1,‘23‘,[4,5]]))   #1或者23，或者[4,5]    random.choice([list])
# print(random.sample([1,‘23‘,[4,5]],2))  #random.sample([1,2,3,4,5],2)(k=[1,2,3,4,5],n=2) k列表中的任意n个组合

import random
def make_code(n):
    res=‘‘
    for i in range(n):
        s1=chr(random.randint(65,90))
        s2=str(random.randint(0,9))
        res+=random.choice([s1,s2])
    return res

print(make_code(9))