<prompt> Kwa kuzingatia safu vipindi ambapo vipindii li, ri vinawakilisha muda li, ri, ondoa vipindi vyote vinavyofunikwa na muda mwingine kwenye orodha.Muda a, b unafunikwa na muda c, d ikiwa na tu ikiwa c a na b d.Rudisha _idadi ya vipindi vilivyosalia_.Mfano wa 1:Ingizo: vipindi 1,4,3,6,2,8Pato: 2Maelezo: Muda 3,6 unashughulikiwa na 2,8, kwa hivyo huondolewa.Mfano wa 2:Ingizo: vipindi 1,4,2,3Pato: 1Vikwazo: 1 vipindi. urefu 1000 vipindii.urefu 2 0 li ri 105 Vipindi vyote vilivyotolewa ni kipekee.  <response>: def maximum_sumarr: n lenzi arr sum_without_deletion 0 n sum_with_deletion 0 n sum_without_deletion0 arr0 sum_with_deletion0 0 max_sum arr0 kwa i katika safu1, n: sum_without_deletioni maxarri, sum_without_deletioni - 1 arri sum_with_deletioni maxjumla_with_deletioni - 1 arri, sum_without_deletioni - 1 max_sum maxmax_sum, maxsum_without_deletioni, sum_with_deletioni rudisha max_sum 