print("Loading Data " + sys.argv[2])
        trainFile = "mnist/mnist_train" + sys.argv[2] + ".csv"
        testFile = "mnist/mnist_test" + sys.argv[2] + ".csv"
        data = np.genfromtxt(trainFile, delimiter=',')
    else:
        print("Loading Data Default")
        data = np.genfromtxt(trainFile, delimiter=',')  #load the default file

    print(trainFile)
    print(testFile)
    #create the perceptron
    perceptron = Perceptron(filename=trainFile,
                            learningRate=0.001,
                            target=toTrain,
                            nInputs=28 * 28,
                            negative=100,
                            maxEpochs=50,
                            data=data)

    #train the perceptron
    perceptron.train()

    #save the model into a file
    perceptron.saveModel()

    #fit all test samples
    print(perceptron.fitAll(testFile))
    print(perceptron.weights)
except IOError:
    print("Train file not found")