python conditional statement while loop learning -7 + exercises

1. infinite loop

while 1 == 1:
     print('ok')

The result is been circulating

 

 

2. cycle

count  = 0
while count < 10:
     print(count)
     count = count +1
print(error)

 

3. Exercises 

~ Output while loop 1234568910

. 1 = COUNT the while COUNT <= 10:                     # or COUNT <. 11 IF COUNT ==. 7 :
         Print ()                        # may be added to pass, nothing is performed the else :
        Print (COUNT) 
    COUNT = COUNT +. 1


    
    

Results of the:

1
2
3
4
5
6

8
9
10

Process finished with exit code 0

~ Find all the numbers from 1 to 100 and

a = 1
b = 0
while a < 101:
    b = b + a
    a = a + 1
print(b)

Output:

5050

Process finished with exit code 0

 

All odd request 1-100 ~

n = 1
while n < 101:
    js = n % 2
    if js == 0:
        print( )
    else:
        print(n)
    n = n + 1

Output:

1

3

5

7

9

11

13

15

17

19

21

23

25

27

29

31

33

35

37

39

41

43

45

47

49

51

53

55

57

59

61

63

65

67

69

71

73

75

77

79

81

83

85

87

89

91

93

95

97

99

All even-numbered 1-100 ~ seek

a = 1
while a < 101:
    b = a % 2
    if b == 0:
        print(a)
    else:
        pass
    a = a + 1

Output:

2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100

Process finished with exit code 0

 

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Origin www.cnblogs.com/liujinjing521/p/10987949.html