#Implement one hot encoding of words or characters. # Define a simple text text = "hello" # Get unique characters chars = sorted(set(text)) # Unique characters char_index = {char: i for i, char in enumerate(chars)} # Create one-hot encoding matrix one_hot_matrix = np.zeros((len(text), len(chars))) for i, char in enumerate(text): one_hot_matrix[i, char_index[char]] = 1 print("Character Index:", char_index) print("One-Hot Encoded Matrix:\n", one_hot_matrix) import numpy as np Character Index: {'e': 0, 'h': 1, 'l': 2, 'o': 3} One-Hot Encoded Matrix: [[0. 1. 0. 0.] [1. 0. 0. 0.] [0. 0. 1. 0.] [0. 0. 1. 0.] [0. 0. 0. 1.]]