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Looks up keys in a table, outputs the corresponding values.

The tensor keys must of the same type as the keys of the table. The output values is of the type of the table values.

The scalar default_value is the value output for keys not present in the table. It must also be of the same type as the table values.

table_handle A Tensor of type mutable string. Handle to the table.
keys A Tensor. Any shape. Keys to look up.
default_value A Tensor.
name A name for the operation (optional).

A Tensor. Has the same type as default_value.