a = [[0.0, 0.0], [1.85, 9.6], [2.73, 19.13], [0.3, 28.7], [2.64, 38.25], [
    2.29, 47.77], [2.01, 57.28], [2.61, 66.82], [2.2, 76.33], [2.49, 85.85],
    [2.55, 104.9], [2.65, 114.47], [1.79, 123.98], [2.86, 133.55]]
i = 0
while i < len(a) - 1:
    if a[i + 1][1] - a[i][1] > 15:
        a.insert(i + 1, [0, 0])
i = i + 1
i = i + 1
for line in a:
    pass
Вставка строк нулей в определенных местах вдоль строк массива NumPy