import tensorflow as tf
import numpy as np
x_data=np.float32(np.random.rand(2,100))
y_data=np.dot([0.100,0.200],x_data)+0.300
b = tf.Variable(tf.zeros([1]))
W = tf.Variable(tf.random_uniform([1, 2], -1.0, 1.0))
y=tf.matmul(W,x_data)+b

loss=tf.reduce_mean(tf.squre(y-y_data))
optimizer=tf.train.GatdientDescentOptimzer(0.5)
train=optimizer.minimize(loss)

init=tf.initialize_all_variables()

sess=tf.Session()
sess.run(init)

for step in xrange(0,201):
    sess.run(train)
    if step%20==0:
        print (step,sess.run(W),sess.run(b))
    

shenjianlin@newdev:~/tensorflow(spider)$ python3 tensorflow.py
Traceback (most recent call last):
File "tensorflow.py", line 1, in <module>

import tensorflow as tf

File "/home/shenjianlin/tensorflow/tensorflow.py", line 5, in <module>

b = tf.Variable(tf.zeros([1]))

AttributeError: 'module' object has no attribute 'Variable'