Practice 1:打印列表

 

 

1 for i in range(5):
2     for j in range(5):
3         print(i,end="\t")
4     print()

Practice 2:打印九九乘法表

1 s = ""
2 for i in range(1,10):
3     for j in range(1,i+1):
4         s= i*j
5         print("{0}*{1}={2}".format(j,i,s),end="\t")
6     print()

 

 Practice 3:用列表和字典存储下列信息,并打印出表中工资高于15000的数据

姓名 年龄 薪资 城市
a 18 20000 北京
b 19 30000 上海
c 20 10000 深圳
1 tb = []
2 r1 = dict(name="a",age=18,salary=20000,city="北京")
3 r2 = dict(name="b",age=18,salary=30000,city="上海")
4 r3 = dict(name="c",age=18,salary=10000,city="深圳")
5 
6 tb = [r1,r2,r3]
7 for i in tb:
8     if i.get('salary')>15000:
9         print(i)