2.12 day9

while count <= 10 :

if n == 7 : #冒号不要忘记

1 #使用while循环输出 1 2 3 4 5 6     8 9 10
2 n = 1
3 while n < 11:
4     if n == 7:
5         pass
6     else :
7         print(n)
8     n = n + 1
9 print('----end----')

 1 #1.输出100以内的所有偶数
 2         """
 3         #自己代码
 4         count = 0
 5         while count < 101:
 6 
 7          count = count + 1
 8          if count % 2 == 0:
 9              print (count)
10 
11         
12         #teacher's 
13         n = 1
14         while n < 101:
15             temp = n % 2
16             if temp == 0:
17                 print(n)
18             else:
19                 pass
20             n = n + 1
21         print ('----end----')
22         """
23 #4.输出1到100所有的和
24 """
25 n = 1
26 s = 0
27 while n < 101:
28     print(n)
29     s = s + n
30     n = n + 1
31 print (s)
32 """
33 
34 
35 #5.求 1-2+3_4+5...99所有数的和
36 #teacher's
37 """
38 n = 1
39 s = 0 
40 
41 while n < 100
42     temp = n % 2
43     if temp == 0 :
44         s = s - n
45     else:
46         s = s + n
47     n = n + 1
48 print (s)
49 
50 #自己
51 n = 1
52 s = 0
53 while n < 101:
54     print(n)
55     if n % 2 == 0
56     n = n * -1
57     s = s + n
58     n = n + 1
59 
60 print (s)
61 """

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