def METHOD_NAME():
    diags = [
        (0, (2.0, float("inf"))),
        (0, (2.0, float("inf"))),
    ]
    assert gd.persistence_graphical_tools._min_birth_max_death(diags) == (2.0, 3.0)
    assert gd.persistence_graphical_tools._min_birth_max_death(diags, band=4.0) == (2.0, 6.0)