1 """
2
3 if 条件1:
4 内容
5 elif 条件2:
6 内容2
7 elif 条件3:
8 内容3
9 else:
10 内容
11
12
13
14
15 inp = input('>>>>')
16 inp2 = input("======")
17
18 if inp == "1":
19 print('11111')
20 elif inp == "2" and inp2 == "3":
21 print("2222")
22 elif inp == "4" or inp =="5":
23 print("444555")
24 else:
25 print('.......')
26
27
28 True False
29
30 > < == != or and
31
32
33 while 条件:
34 代码块
35 break 跳出当前循环
36 continue 终止本次循环 开始下一次循环
37
38 """
39
40
41 import time
42
43 n = 1
44 flag = True
45 while flag:
46 print (n)
47 if n == 10:
48 break
49
50 if n == 6:
51 continue
52
53 n = n+1
54 time.sleep(1)
55
56 print("end")