Fix project, now use python 3.

day-04/solution.py

@@ -1,5 +1,5 @@
 import sys
-import md5
+from hashlib import md5
 import fileinput
 
 def ok(digest, zeroes):
@@ -11,15 +11,15 @@ def ok(digest, zeroes):
 
 def solve(word, zeroes):
     number = 0
-    
+
     while True:
-        digester = md5.new(word)
-        digester.update(str(number))
-    
+        digester = md5(word.encode("utf-8"))
+        digester.update(str(number).encode("utf-8"))
+
         if ok(digester.hexdigest(), zeroes):
-            print word, number
+            print(word, number)
             break
-    
+
         number = number + 1
 
 for line in fileinput.input():