--- ./duckduckgo.py     (original)
+++ ./duckduckgo.py     (refactored)
@@ -1,5 +1,5 @@
-import urllib
-import urllib2
+import urllib.request, urllib.parse, urllib.error
+import urllib.request, urllib.error, urllib.parse
 import json as j
 import sys
 
@@ -40,11 +40,11 @@
         'd': meanings,
         }
     params.update(kwargs)
-    encparams = urllib.urlencode(params)
+    encparams = urllib.parse.urlencode(params)
     url = 'http://api.duckduckgo.com/?' + encparams
 
-    request = urllib2.Request(url, headers={'User-Agent': useragent})
-    response = urllib2.urlopen(request)
+    request = urllib.request.Request(url, headers={'User-Agent': useragent})
+    response = urllib.request.urlopen(request)
     json = j.loads(response.read())
     response.close()
 
@@ -167,13 +167,13 @@
 def main():
     if len(sys.argv) > 1:
         q = query(' '.join(sys.argv[1:]))
-        keys = q.json.keys()
+        keys = list(q.json.keys())
         keys.sort()
         for key in keys:
             sys.stdout.write(key)
-            if type(q.json[key]) in [str,unicode]: print(':', q.json[key])
+            if type(q.json[key]) in [str,str]: print((':', q.json[key]))
             else: 
                 sys.stdout.write('\n')
-                for i in q.json[key]: print('\t',i)
+                for i in q.json[key]: print(('\t',i))
     else:
-        print('Usage: %s [query]' % sys.argv[0])
+        print(('Usage: %s [query]' % sys.argv[0]))