#!/usr/bin/env python
# coding: utf-8

# In[1]:


import tensorflow as tf


# In[2]:


# 一行两列
matrix1 = tf.constant([[1, 0]])
# 两行一列
matrix2 = tf.constant([[1], [0]])
# 矩阵相乘
matmul = tf.matmul(matrix1, matrix2)


# In[3]:


# 打印结果 (Tensor而不是结果 2)
print(matmul)


# In[6]:


# 定义会话
sess = tf.Session()
# 真正开始执行
print(sess.run(matmul))
sess.close()


# In[7]:


# with ... as ...的写法，可以保证 session会自动关闭
with tf.Session() as sess:
    print(sess.run(matmul))