import tensorflow as tf

print(tf.__version__)

2.0.0

x = tf.constant([[1.,2.,3.],[4.,5.,6.],[7,8,9]])
print(x)

tf.Tensor(
[[1. 2. 3.]
 [4. 5. 6.]
 [7. 8. 9.]], shape=(3, 3), dtype=float32)

print(type(x))
print(x.dtype)
print(x.shape)

<class 'tensorflow.python.framework.ops.EagerTensor'>
<dtype: 'float32'>
(3, 3)

y = tf.matmul(x,x)
print(y)

tf.Tensor(
[[ 30.  36.  42.]
 [ 66.  81.  96.]
 [102. 126. 150.]], shape=(3, 3), dtype=float32)