目錄
巢狀迴圈
案例一案例二:
案例三:
乙個迴圈體內可以嵌入另乙個迴圈, 一般稱為」巢狀迴圈」, 或者」多重迴圈」;
for i in range(5):
for m in range(5):
print(i,end='\t')
print() #起到換行的作用
d:\wwwroot\pyiteam\venv\scripts\python.exe d:/wwwroot/pyiteam/mypy01.py
0 0 0 0 0
1 1 1 1 1
2 2 2 2 2
3 3 3 3 3
4 4 4 4 4
process finished with exit code 0
for x in range(1,10):
for y in range(1,x+1):
print("x=".format(x,y,x*y),end='\t')
print()
6x6=36
7x1=7 7x2=14 7x3=21 7x4=28 7x5=35 7x6=42 7x7=49
8x1=8 8x2=16 8x3=24 8x4=32 8x5=40 8x6=48 8x7=56 8x8=64
9x1=9 9x2=18 9x3=27 9x4=36 9x5=45 9x6=54 9x7=63 9x8=72 9x9=81
process finished with exit code 0
#定義個列表
tb =
#定義字典儲存資料
r1 = dict(name="小紅",age=18,salary=30000,city='北京')
r2 = dict(name="小明",age=16,salary=10000,city='南京')
r3 = dict(name="小藍",age=15,salary=20000,city='上海')
#將字典資料放入列表中
tb = [r1,r2,r3]
for i in tb:
if i.get("salary") > 15000:
print(i)
d:\wwwroot\pyiteam\venv\scripts\python.exe d:/wwwroot/pyiteam/mypy01.py
process finished with exit code 0
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