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Sign up You said: make a hard python code ChatGPT said: ChatGPT Sure! Here's a Python code snippet that is more advanced and demonstrates a combination of concepts like recursion, dynamic programming, and algorithm optimization. This code solves the Knapsack Problem using a recursive approach with memoization to improve efficiency. Knapsack Problem with Memoization The Knapsack Problem involves selecting items with given weights and values to maximize the total value without exceeding a weight limit. Here's a Python function to solve the 0/1 Knapsack Problem using recursion with memoization: python Copy code def knapsack(weights, values, capacity): # Create a memoization table memo = {} def _knapsack_recursive(index, remaining_capacity): # Base case: no items left or capacity is 0 if index < 0 or remaining_capacity <= 0: return 0 # Check if result is already in memoization table if (index, remaining_capacity) in memo: