[Python知识库]Python基础知识（4）

字典基础例子

r1={"name":"高小一","age":18,"salary":30000,"city":"北京"}
r2={"name":"高小二","age":19,"salary":20000,"city":"上海"}
r3={"name":"高小五","age":20,"salary":10000,"city":"深圳"}
tb=[r1,r2,r3]

#获取高小二的薪资
print(tb[1].get("salary"))

#获取所有人的薪资
for i in range(len(tb)):   #i-->0,1,2
    print(tb[i].get("salary"))

#打印表的所有数据
for i in range(len(tb)):
    print(tb[i].get("name"),tb[i].get("age"),tb[i].get("city"))