Python编程：Python2.7的MD5编码问题

# -*- coding: utf-8 -*-
import hashlib
s = '20637332019-03-29已受理'
md5 = hashlib.md5(s).hexdigest()
# md5 = hashlib.md5(s.encode("utf-8")).hexdigest()
# UnicodeDecodeError
print(md5)
'a8027582770cfb7efc11f2abe75f9827'

# -*- coding: utf-8 -*-
from __future__ import unicode_literals, print_function
import hashlib
s = '20637332019-03-29已受理'
md5 = hashlib.md5(s.encode('utf-8')).hexdigest()
# md5 = hashlib.md5(s).hexdigest()
# UnicodeEncodeError
print(md5)
'a8027582770cfb7efc11f2abe75f9827'

# -*- coding: utf-8 -*-
import hashlib
import sys
reload(sys)
sys.setdefaultencoding("utf-8")
s = '20637262019-03-29已受理'
md51 = hashlib.md5(s).hexdigest()
md52 = hashlib.md5(s.encode("utf-8")).hexdigest()
print(md51)
print(md52)
"""
a8027582770cfb7efc11f2abe75f9827
a8027582770cfb7efc11f2abe75f9827
"""