python中将指定的字符串转换为大写字母并每隔2个字符用空格分割后得到一个新字符串的方法

 1 # -*- coding: utf-8 -*-#
 2 
 3 #-------------------------------------------------------------------------------
 4 # Name:         MySplit
 5 # Description:  将指定的字符串转换为大写字母并每隔2个字符用空格分割后得到一个新字符串
 6 # Author:       Administrator
 7 # Date:         2018/7/6
 8 #-------------------------------------------------------------------------------
 9 
10 import re
11 import time
12 
13 #待分割字符串
14 myStr = ‘faa5fbb5fcc5fdd5010200000028000001900000000a002d00000000017d7840000003e800005fa55fb55fc55fd5‘
15 #分割后： FA A5 FB B5 FC C5 FD D5 01 02 00 00 00 28 00 00 01 90 00 00 00 0A 00 2D 00 00 00 00 01 7D 78 40 00 00 03 E8 00 00 5F A5 5F B5 5F C5 5F D5
16 
17 def mySplit1(str):
18     t=‘‘
19     for i in range(len(str)/2):
20         t += str[2*i:2*(i+1)] + ‘ ‘
21     t = t.upper()
22     return t
23 
24 def mySplit2(str):
25     t = str.upper()
26     p = re.compile(‘.{1,2}‘)  # 匹配任意字符1-2次
27     return ‘ ‘.join(p.findall(t))
28 
29 def mySplit3(str):
30     t = str.upper()
31     return ‘ ‘.join([t[2*i:2*(i+1)] for i in range(len(t)/2)])
32 
33 print(‘原始字符串：\n‘ + myStr + ‘\n‘)
34 print(‘转换后字符串：‘)
35 print(‘mySplit1: ‘ + mySplit1(myStr))
36 print(‘mySplit2: ‘ + mySplit2(myStr))
37 print(‘mySplit3: ‘ + mySplit3(myStr))
38 
39 print(u‘\n耗时测试:‘)
40 myStr = myStr * 100
41 for f in [mySplit1, mySplit2, mySplit3]:
42     t = time.time()
43     for i in range(10000):
44         f(myStr)
45     print(f.func_name + ‘: ‘ + str(time.time()-t) + ‘ s‘)