python 2,3版本自动识别导入
import sys
if str(sys.version[0]) == "3":
from urllib.parse import quote_plus
from urllib.request import urlopen
from base64 import decodebytes, encodebytes
else:
from urllib import quote_plus
from urllib2 import urlopen
from base64 import decodestring as decodebytes
from base64 import encodestring as encodebytes
if str(sys.version[0]) == "3":
from urllib.parse import quote_plus
from urllib.request import urlopen
from base64 import decodebytes, encodebytes
else:
from urllib import quote_plus
from urllib2 import urlopen
from base64 import decodestring as decodebytes
from base64 import encodestring as encodebytes
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