Function is_tensor

Checks whether `x` is a tensor or "tensor-like". If `is_tensor(x)` returns `True`, it is safe to assume that `x` is a tensor or can be converted to a tensor using `ops.convert_to_tensor(x)`. Args: x: A python object to check. Returns: `True` if `x` is a tensor or "tensor-like", `F

(x)