import numpy as np
import matplotlib.pyplot as plt

# Create simple dataset - XOR problem
X = np.array([[0, 0], [0, 1], [1, 0], [1, 1]])
y = np.array([[0], [1], [1], [0]])

print(f"Input shape: {X.shape}")    # (4, 2)
print(f"Output shape: {y.shape}")   # (4, 1)
print(f"Dataset:")
for i in range(len(X)):
    print(f"  {X[i]} -> {y[i][0]}")  # Print each input pair and its expected output