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+# Introduction 
+The present session will introduce the Python classes and how to create your own Artificial Neural Network (ANN) class. The class will implement the `__init__`,  `feedforward`, and `backpropagation` methods. 
+
+Each method will be described in detail to understand the  ANN’s inner work. Then, the handwriting MNIST dataset will be used to train and test our ANN. 
+
+# Objectives
+- Learn the basics of using Python Classes
+- Create methods for: create, feedforward, and backpropagation
+- Train the ANN
+- Test the ANN
+
+# Pending tasks (Your work)
+
+- Create a Python function to evaluate the ANN’s performance by passing all the test images(`mnist_test.csv`) and compare the target with the ANN’s results. 
+- Make a plot of the ANN’s evolution performance for at least 10 combinations of the number of hidden nodes, learning rate, and the number of epochs.