port of PYSWIP package.

packages/pyswip/examples/coins/coins.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+
+# 100 coins must sum to $5.00
+
+from pyswip.prolog import Prolog
+
+def main():
+    prolog = Prolog()
+    prolog.consult("coins.pl")
+    count = int(raw_input("How many coins (default: 100)? ") or 100)
+    total = int(raw_input("What should be the total (default: 500)? ") or 500)
+    for i, soln in enumerate(prolog.query("coins(S, %d, %d)." % (count,total))):
+        # [1,5,10,50,100]
+        S = zip(soln["S"], [1, 5, 10, 50, 100])
+        print i,
+        for c, v in S:
+            print "%dx%d" % (c,v),
+        print
+    list(prolog.query("coins(S, %d, %d)." % (count,total)))
+        
+if __name__ == "__main__":
+    main()