Python基础-字符串格式化_百分号方式_format方式

 1 tpl = "i am %s" % "alex"
 2  
 3 tpl = "i am %s age %d" % ("alex", 18)
 4  
 5 tpl = "i am %(name)s age %(age)d" % {"name": "alex", "age": 18}
 6  
 7 tpl = "percent %.2f" % 99.97623
 8  
 9 tpl = "i am %(pp).2f" % {"pp": 123.425556, }
10  
11 tpl = "i am %.2f %%" % {"pp": 123.425556, }

[[fill]align][sign][#][0][width][,][.precision][type]

 1 tpl = "i am {}, age {}, {}".format("seven", 18, ‘alex‘)
 2   
 3 
 4 tpl = "i am {}, age {}, {}".format(*["seven", 18, ‘alex‘])
 5   
 6 
 7 tpl = "i am {0}, age {1}, really {0}".format("seven", 18)
 8   
 9 
10 tpl = "i am {0}, age {1}, really {0}".format(*["seven", 18])
11   
12 
13 tpl = "i am {name}, age {age}, really {name}".format(name="seven", age=18)
14   
15 
16 tpl = "i am {name}, age {age}, really {name}".format(**{"name": "seven", "age": 18})
17                                                      ** 代表传字典
18 
19 tpl = "i am {0[0]}, age {0[1]}, really {0[2]}".format([1, 2, 3], [11, 22, 33])
20   
21 
22 tpl = "i am {:s}, age {:d}, money {:f}".format("seven", 18, 88888.1)
23              s 代表字符串 d 代表整数
24 
25 tpl = "i am {:s}, age {:d}".format(*["seven", 18])
26                                    * 代表列表
27 
28 tpl = "i am {name:s}, age {age:d}".format(name="seven", age=18)
29   
30 
31 tpl = "i am {name:s}, age {age:d}".format(**{"name": "seven", "age": 18})
32  
33 
34 tpl = "numbers: {:b},{:o},{:d},{:x},{:X}, {:%}".format(15, 15, 15, 15, 15, 15.87623, 2)
35                 2进制 8进制 10进制  x与X: 16进制 %：百分比
36 
37 tpl = "numbers: {:b},{:o},{:d},{:x},{:X}, {:%}".format(15, 15, 15, 15, 15, 15.87623, 2)
38  
39 
40 tpl = "numbers: {0:b},{0:o},{0:d},{0:x},{0:X}, {0:%}".format(15)
41  
42 
43 tpl = "numbers: {num:b},{num:o},{num:d},{num:x},{num:X}, {num:%}".format(num=15)