tf.raw_ops.VariableV2

Holds state in the form of a tensor that persists across steps.

Outputs a ref to the tensor state so it may be read or modified.

about sharing states in tensorflow.

shape A tf.TensorShape or list of ints. The shape of the variable tensor.
dtype A tf.DType. The type of elements in the variable tensor.
container An optional string. Defaults to "". If non-empty, this variable is placed in the given container. Otherwise, a default container is used.
shared_name An optional string. Defaults to "". If non-empty, this variable is named in the given bucket with this shared_name. Otherwise, the node name is used instead.
name A name for the operation (optional).

A mutable Tensor of type dtype.