python右对齐的实例方法

> dic = {
"name": "botoo",
"url": "//www.jb51.net",
"page": "88",
"isNonProfit": "true",
"address": "china",
}

> dic = {
  "name": "botoo",
  "url": "//www.jb51.net",
  "page": "88",
  "isNonProfit": "true",
  "address": "china",
  }
> 
> d = max(map(len, dic.keys())) #获取key的最大值
> 
> for k in dic:
  print(k.ljust(d),":",dic[k])
   
name    : botoo
url     : //www.jb51.net
page    : 88
isNonProfit : true
address   : china
> for k in dic:
  print(k.rjust(d),":",dic[k])
   
    name : botoo
    url : //www.jb51.net
    page : 88
isNonProfit : true
  address : china
> for k in dic:
  print(k.center(d),":",dic[k])
   
  name  : botoo
  url   : //www.jb51.net
  page  : 88
isNonProfit : true
 address  : china
>

> s = "adc"
> s.ljust(20,"+")
'adc+++++++++++++++++'
> s.rjust(20)
'adc'
> s.center(20,"+")
'++++++++adc+++++++++'
>

test = 'hello world'
print(test.ljust(20))
print(test.ljust(20, '*'))
print(test.rjust(20, '*'))
print(test.center(20, '*'))
print(test.center(20))
 
＃输出结果如下：
hello world*********
*********hello world
****hello world*****
  hello world