python--str的几个方法

name="chenshan"
age=30
address="宜山路926号新思大厦15楼"

print "my name is {},age is {},and address {}".format(name,age,address)

print "my name is {name},age is {age},and address {address}".format(name="chenshan",age=30,address="上海")


--------------------输出-----------------------

　　my name is chenshan,age is 30,and address 宜山路926号新思大厦15楼
　　my name is chenshan,age is 30,and address 上海

str="chenshan"
print str.zfill(10)

--------------------输出-----------------------

00chenshan

str="hello"
print str.rjust(15)
print str.ljust(15)
print str.center(15)

--------------------输出-----------------------

　　          hello

　　hello          

    　　 hello     

stock={"苏宁云商": 100,"招商银行": 101,"保利地产": 102}

for name,number in stock.items():
    print "{0:30} ====>{1:10d}".format(name,number)

--------------------输出-----------------------

　　苏宁云商                   ====>       100
　　招商银行                   ====>       101
　　保利地产                   ====>       102