记录python2.7迁移到python3.6过程中的一些代码差异

python2.7	python 3.6
import urllib2	import urllib
import urlparse	import urllib
import exceptions	废弃
urllib2.urlopen	urllib.request.urlopen
urllib2.Request	urllib.request.Request
urllib.urlencode	urllib.parse.quote
urllib.urldecode	urllib.parse.unquote
dict.has_key(xx)	xx in dict
types.StringType	type('')
types.UnicodeType	废弃
types.ListType	type([])
types.DictType	type({})
types.IntType	type(1)
types.BooleanType	type(True)
types.LongType	type(1)
types.FloatType	type(1.1)
except Exception,err	except Exception as err
print xxx	print(xxx)