# Mac OS X, CPU only:
$ sudo easy_install --upgrade six
$ sudo pip3 install --upgrade https://storage.googleapis.com/tensorflow/mac/tensorflow-0.8.0-py3-none-any.whl
可能会有权限的问题，权限有问题请使用：
sudo pip install --upgrade --ignore-installed https://storage.googleapis.com/tensorflow/mac/tensorflow-0.8.0-py2-none-any.whl
>>> import tensorflow as tf
>>> hello = tf.constant("hello world")
>>> sess = tf.Session()
>>> print sess.run(hello)
hello world
>>> a = tf.constant(10)
>>> b = tf.constant(32)
>>> print sess.run(a+b)
42
