初学python(print使用、条件分支、循环、模块引用)

 1 import random
 2 
 3 """
 4 #查看源代码日后爬虫用
 5 import urllib.request
 6 
 7 # coding=utf-8
 8 
 9 url = "http://www.baidu.com"
10 data = urllib.request.urlopen(url).read()
11 data = data.decode(‘UTF-8‘)
12 
13 print(data)
14 
15 # print练手
16 x = 5 / 2
17 y = 3 / 2
18 
19 print(‘x为‘, x, ‘\n‘, ‘y为‘, y)
20 print(‘x和y分别为%.1f,%.1f‘ % (x, y))
21 
22 for z in range(1, 11):
23     print(‘{0:5d} {1:5d} {2:4d}‘.format(z, z * z, z * z * z))
24 
25 print("what? ?" + " water")
26 print(5 + 8)
27 """
28 # if else语句练手
29 
30 
31 Help = ‘大了‘
32 Help2 = ‘小了‘
33 gmAnswer = 12450
34 key = random.randint(1, 10)
35 gmAnswer = key
36 life = 3
37 
38 while life > 0:
39     userAnswer = int(input(‘随便给个整数‘))  # 直接将输入的str转换成int并赋值
40     if userAnswer < gmAnswer:
41         print(Help2)
42     elif userAnswer > gmAnswer:
43         print(Help)
44     else:
45         print(‘you win‘)
46         break
47     life -= 1