def main() -> None:
x, y = read_data(filename)
h = 1.0
Differ.print_init("X :", x)
Differ.print_init("Y :", y)
Differ.print_res("Onesided :", Differ.left(y, h))
Differ.print_res("Center :", Differ.center(y, h))
Differ.print_res("Second Range :", Differ.second_runge(y, h, 1))
Differ.print_res("Aligned params :", Differ.aligned_coeffs(x, y))
Differ.print_res("Second oneSided:", Differ.second_left(y, h))
