for循环

for i in range(1,10):
    print("loop",i)

for i in range(1,100,2):  #步长为2
    print("loop",i);

for i in range(1,100,2):
    print(i)
    if i==49:
        break
    elif i==41:
        continue

输出结果

H:\Python全栈\venv\Scripts\python.exe H:/Python全栈/Day05/for循环.py
loop 1
loop 2
loop 3
loop 4
loop 5
loop 6
loop 7
loop 8
loop 9
loop 1
loop 3
loop 5
loop 7
loop 9
loop 11
loop 13
loop 15
loop 17
loop 19
loop 21
loop 23
loop 25
loop 27
loop 29
loop 31
loop 33
loop 35
loop 37
loop 39
loop 41
loop 43
loop 45
loop 47
loop 49
loop 51
loop 53
loop 55
loop 57
loop 59
loop 61
loop 63
loop 65
loop 67
loop 69
loop 71
loop 73
loop 75
loop 77
loop 79
loop 81
loop 83
loop 85
loop 87
loop 89
loop 91
loop 93
loop 95
loop 97
loop 99
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

Process finished with exit code 0