hello.py

import keras
import numpy as np
from keras.models import Sequential
from keras.layers import Dense, Dropout, Activation
from keras.optimizers import SGD

x_train = np.random.random((1000, 200))
y_train = keras.utils.to_categorical(np.random.randint(10, size=(1000,1)), num_classes=10)

x_test = np.random.random((100, 200))
y_test = keras.utils.to_categorical(np.random.randint(10, size=(100,1)), num_classes=10)
print(y_train[0])
model = Sequential()

model.add(Dense(64, activation='relu', input_dim=200))
model.add(Dropout(0.5))
model.add(Dense(64, activation='relu'))
model.add(Dropout(0.5))
model.add(Dense(10, activation='softmax'))

sgd = SGD(lr=0.01, decay=1e-6, momentum=0.9, nesterov=True)
model.compile(loss='categorical_crossentropy', optimizer=sgd, metrics=['accuracy'])
model.fit(x_train, y_train, epochs=200, batch_size=128)
score = model.evaluate(x_test, y_test, batch_size=128)
print(score)