diff --git a/knapsack.py b/knapsack.py
new file mode 100644
index 00000000..7ea19375
--- /dev/null
+++ b/knapsack.py
@@ -0,0 +1,19 @@
+def knapSack(W, wt, val, n):
+
+    if n == 0 or W == 0:
+        return 0
+
+    if wt[n-1] > W:
+        return knapSack(W, wt, val, n-1)
+    else:
+        return max(
+            val[n-1] + knapSack(W-wt[n-1], wt, val, n-1),
+            knapSack(W, wt, val, n-1)
+        )
+
+if __name__ == '__main__':
+    profit = [60, 100, 120]
+    weight = [10, 20, 30]
+    W = 50
+    n = len(profit)
+    print(knapSack(W, weight, profit, n))