import tensorflow as tf
from numpy  import *
class tensorflow:


    a=tf.constant(12)
    b =tf.constant(13)
    sess=tf.Session()
    print(sess.run(a*b))
    a=array([1,2,3])
    print(list)
    a = arange(15).reshape(3, 5)
    print(a)
    print(a.size)
    a = array([2, 3, 4])
    print(a)
