Moved problems till 56 to Python.

python/e047.py

@@ -1,8 +1,17 @@
+from lib_prime import prime_factors_count
+
 
 def euler_047():
-    return 0
+    s = []
+    for n in range(2, 1000000):
+        if len(prime_factors_count(n)) == 4:
+            s.append(n)
+        else:
+            s = []
+        if len(s) == 4:
+            return s[0]
 
 
 if __name__ == "__main__":
     print("e047.py: " + str(euler_047()))
-    assert(euler_047() == 0)
+    assert(euler_047() == 134043)