TensorFlow_Variable变量

import tensorflow as tf

state = tf.Variable(0, name=‘counter’)

one = tf.constant(1)

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

init = tf.initialize_all_variables()#must have if define variable

with tf.Session() as sess:
sess.run(init)#真正意义上的初始化所有变量
for _ in range(3):
sess.run(update)
print(sess.run(state))