import tensorflow as tf

        self.log_file = filename
        f = open(self.log_file, 'w')
        f.close()

def weight_variable(shape):
    return tf.get_variable('W', shape, initializer=tf.random_normal_initializer(0., 0.02))

def bias_variable(shape):
    return tf.get_variable('b', shape, initializer=tf.constant_initializer(0.))

