python基础：条件循环字符串

while True:
    a = int(input(‘摄氏度转换为华氏温度请按1\n华氏温度转化为摄氏温度请按2\n‘))

    if a == 1:
        celsius = float(input(‘输入摄氏温度：‘))
        fahreaheit = (celsius + 1.8) + 32  # f = c+9/5+32
        print(‘{:.2f}摄氏温度转为华氏温度为{:.2f}‘.format(celsius, fahreaheit))
    elif a == 2:
        celsius1 = float(input(‘输入华氏温度：‘))
        fahreaheit1 = (celsius1 - 32) * 5 / 9
        print(‘{:.2f}华氏温度转化为摄氏温度为{:.2f}‘.format(celsius1, fahreaheit1))
    else:
        break;

第二题

import random
secret = random.randint(1,20)
#print(secret)
print(‘-------猜我新买的玩具多少钱！--------‘)
guess = -1
while guess != secret:
    a = input(‘请输入数字:‘)
    guess = int(a)
    if guess > secret:
        print(‘输入的数字太大！‘)
    elif guess < secret :
        print(‘输入的数字太小！‘)
    else :
        print(‘猜对了！‘)
        print(‘game over,bye!O(∩_∩)O‘)

第三题

s =‘131004199852134451‘
a=s[:2]
b=s[2:4]
c=s[4:6]
d=s[6:14]
e=s[14:16]
f=s[-2]
g=s[-1]
print(‘省份{}‘.format(a))
print(‘地市{}‘.format(b))
print(‘县区{}‘.format(c))
print(‘出生日期{}‘.format(d))
print(‘顺序码{}‘.format(e))
num = int(f)
if (num % 2) == 0:
    print(‘性别女{}‘.format(num))
else:
    print(‘性别男{}‘.format(num))
print(‘校验码{}‘.format(g))

第四题

for i in range(2,10):
    print(‘http://news.gzcc.cn/html/xiaoyuanxinwen/‘ + str(i) + ‘.html‘)

原文地址：https://www.cnblogs.com/dalin-lyl/p/9639405.html