def body_fun(i, loop_carry):
    (x, y) = loop_carry
    x = (x + 1)
    y = (y + 2)
    return (x, y)
def body_fun(i, loop_carry):
    (x, y) = loop_carry
    x = (x + 1)
    y = (y + 2)
    return (x, y)