Python Format用法

print("my name is {}").format("Tony");

print("my name is {0}").format("tony");

print("my name is {name}").format(name="tony");


class simply:
    def __init__(self,dic):
        print self.__dict__.update(dic);


    def __str__(self):
        return "my name is {self.name} this year age {self.age}".format(self=self);


s = simply({"name":"jack","age":18});


p = ["xxx",19];

print ("{0[0]} {0[1]}").format(p);

print ("{:>8}").format(186);

print ("{:<8}").format(186);

print ("{:^8}").format(186);

print ("{:0>8}").format(186);

print ("{:.2f}").format(186.3223);

print ("{:b}").format(100);

print ("{:o}").format(100);

print ("{:x}").format(100);

print ("{:d}").format(100);

print ("{:,}").format(1861231321);

具体用法请参考:http://blog.youkuaiyun.com/handsomekang/article/details/9183303