mac 生成字串的md5

 build_tools git:(master) python
Python 2.7.11 (v2.7.11:6d1b6a68f775, Dec  5 2015, 12:54:16)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import hashlib
>>> hashlib.md5('li.dinglong@163.com'.encode('utf-8')).hexdigest()
'241ec2c250a49ac6de0cf321d6109e12'
>>> hashlib.md5('ldl@thoughtworks.com'.encode('utf-8')).hexdigest()
'44f773e9a9391fd1ee85ae649cdef7f2'
>>>