def body(i, _):
    zero = array_ops.zeros([], dtype=dtypes.int32)
    v = variables.Variable(initial_value=zero)
    return ((i + 1), v.read_value())
def body(i, _):
    zero = array_ops.zeros([], dtype=dtypes.int32)
    v = variables.Variable(initial_value=zero)
    return ((i + 1), v.read_value())