python中如何右对齐

>>> dic = {

"name": "botoo",

"url": "http://www.123.com",

"page": "88",

"isNonProfit": "true",

"address": "china",

}

>>> dic = {

    "name": "botoo",

    "url": "http://www.123.com",

    "page": "88",

    "isNonProfit": "true",

    "address": "china",

    }

>>>

>>> d = max(map(len, dic.keys()))  #获取key的值

>>>

>>> for k in dic:

    print(k.ljust(d),":",dic[k])

name        : botoo

url         : http://www.123.com

page        : 88

isNonProfit : true

address     : china

>>> for k in dic:

    print(k.rjust(d),":",dic[k])

       name : botoo

        url : http://www.123.com

       page : 88

isNonProfit : true

    address : china

>>> for k in dic:

    print(k.center(d),":",dic[k])

    name    : botoo

    url     : http://www.123.com

    page    : 88

isNonProfit : true

  address   : china

>>>

>>> s = "adc"

>>> s.ljust(20,"+")

'adc+++++++++++++++++'

>>> s.rjust(20)

'                 adc'

>>> s.center(20,"+")

'++++++++adc+++++++++'

>>>