字典创建与遍历

a1=dict(name="hzl",age=20,salary="30000",city="bj")
a2=dict(name="wf",age=19,salary="20000",city="sh")
a3=dict(name="hdb",age=18,salary="10000",city="sz")
tb=(a1,a2,a3)
for i in tb:
print(i)