diff --git a/classicalAlgos/0-1KnappSack/0-1_knapsack_in_python.py b/classicalAlgos/0-1KnappSack/0-1_knapsack_in_python.py
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+++ b/classicalAlgos/0-1KnappSack/0-1_knapsack_in_python.py
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+# 0-1 knapsack in python
+# Python implementation:
+def knapSack(W, wt, val, n):
+	K = [[0 for x in range(W + 1)] for x in range(n + 1)]
+
+	for i in range(n + 1):
+		for w in range(W + 1):
+			if i == 0 or w == 0:
+				K[i][w] = 0
+			elif wt[i-1] <= w:
+				K[i][w] = max(val[i-1] + K[i-1][w-wt[i-1]], K[i-1][w])
+			else:
+				K[i][w] = K[i-1][w]
+
+	return K[n][W]
+
+# Driver program to test above function
+val = [60, 100, 120]
+wt = [10, 20, 30]
+W = 50
+n = len(val)
+print(knapSack(W, wt, val, n))