1 #通过位置2 print '{0},{1}'.format('chuhao',20)3 4 print '{},{}'.format('chuhao',20)5 6 print '{1},{0},{1}'.format('chuhao',20)7 8 #通过关键字参数9 print '{name},{age}'.format(age=18,name='chuhao') 10 11 class Person: 12 def __init__(self,name,age): 13 self.name = name 14 self.age = age 15 16 def __str__(self): 17 return 'This guy is {self.name},is {self.age} old'.format(self=self) 18 19 print str(Person('chuhao',18)) 20 21 #通过映射 list 22 a_list = ['chuhao',20,'china'] 23 print 'my name is {0[0]},from {0[2]},age is {0[1]}'.format(a_list) 24 #my name is chuhao,from china,age is 20 25 26 #通过映射 dict 27 b_dict = {'name':'chuhao','age':20,'province':'shanxi'} 28 print 'my name is {name}, age is {age},from {province}'.format(**b_dict) 29 #my name is chuhao, age is 20,from shanxi 30 31 #填充与对齐 32 print '{:>8}'.format('189') 33 # 189 34 print '{:0>8}'.format('189') 35 #00000189 36 print '{:a>8}'.format('189') 37 #aaaaa189 38 39 #精度与类型f 40 #保留两位小数 41 print '{:.2f}'.format(321.33345) 42 #321.33 43 44 #用来做金额的千位分隔符 45 print '{:,}'.format(1234567890) 46 #1,234,567,890 47 48 #其他类型 主要就是进制了，b、d、o、x分别是二进制、十进制、八进制、十六进制。 49 50 print '{:b}'.format(18) #二进制 10010 51 print '{:d}'.format(18) #十进制 18 52 print '{:o}'.format(18) #八进制 22 53 print '{:x}'.format(18) #十六进制12
)
