tf.assign(ref, value, validate_shape=None, use_locking=None, name=None), 函数功能是将value赋值给ref ref必须是tf.Variable创建的tensor,如果ref=tf.constant()就会报错,而且默认情况下ref的shape和value的shape是相同的 import tensorflow as tf state = tf.Variable(0,name='counter') print(state.n