import tensorflow as tf

state=tf.Variable(0,name='count')
print(state.name)

one=tf.constant(1)

new_value=tf.add(state,one)
update=tf.assign(state,new_value)

init=tf.initialize_all_variables()

with tf.Session() as sess:
   sess.run(init)
   for _ in range(3):
       sess.run(update)
       print(sess.run(state))