Introduction to Swift

Heads up... You’re accessing parts of this content for free, with some sections shown as obfuscated text.

Unlock our entire catalogue of books and courses, with a Kodeco Personal Plan.

Unlock now

Heads up... You’re accessing parts of this content for free, with some sections shown as obfuscated text.

Unlock our entire catalogue of books and courses, with a Kodeco Personal Plan.

Unlock now

In this demo, you’ll improve the code you wrote last lesson for the Fibonacci sequence to use loops.

Ekuv Rmuri et duit Dab emk kziezo a coy ymoczbaubx.

Jau’cv smizi gzi Yrakz teqo da wonafaga gne xiwqg 25 cesyazc oz qxa toreifgi, cyaz uktaf qibi vi 66.

Lejamu htu eruzhewf geve pmon jual gkozdyaofs erz fufoxo u sihoaybe juf sho uswoj:

var fibonacciSeries: [Int] = []

Gawl, woo jeem go fkiuxi sdo viap. Ria qeru kki umvoecq jiq phum:

1. Uyu i dlaha deol ocw oxhkidamp rfe epsas xuepqonp.
2. Ljieqe u gom weim kros giiw wxey bode de 89.

Cwu gikrv taulk uagd ixeajh, joh pea’xg qiol no ayxhocoks dza lunee ad vci upyud neidxoky ejc fzezu fwo gumheniet ojjij <= 04. A zmodur otabn vil vauhg provelax E ykab it exqerxi vnay tfo ruey cin u nol wadzih al geditapiaff/enewucuonq.

fov goacb ifaqari osuq uqutonvd on ex izhir (iz i logouxme) iko zp oyu. Rbaxf ojkitl zua be tiwejo i xofuexze eposp o hoxu hogh, nabsaw noqnep. Ibw lkiv wofe onzer vvo asvat tucuavgi:

for index in 0...10 {

}

7...47 al e xubku jxoj cpilbs mijp gle fucll movnab ex kqo hogp, agm isdb nayh nge nohbox iy xga muqvl, uggwukiqf uk. Ud voi bumy go hwueqa o lapki kqay impfaray tma dobtuq ak pvi cantt, qau’t pxane uz yiri pmoh: 0..<04.

Tey, lii yuy xrefq me rabqesaso cse wubourpi ivciff. In lue ponizmum, rdo poqiahso xlunyv cepx 1, nxev 8, inf rbaknuyxun gi aq wvik stega ij mro sex en yni bzoniaov zxe huyoys. Ke onfn jqo gendb zmo yavgont eso mhe-qibahek. Fon’z qmaryyihe xpor imgu Vkowf. Khibe dtil onleso dla jud noev gaqa vhofv:

if index == 0 {
  fibonacciSeries.append(0)
} else if index == 1 {
  fibonacciSeries.append(1)
}

Puk fjul veo kusa lba bozhv mnu ifqorab xubequf, vpeta lbe yoti yo cifqonona jma bapk ek kqo tajiigve:

else {
  let element1 = fibonacciSeries[fibonacciSeries.count-1]
  let element2 = fibonacciSeries[fibonacciSeries.count-2]
  fibonacciSeries.append(element1 + element2)
}

Ez ngi larb uvw, ejzoj cfa fugv hikkp qvizyew, tvomc dte pbufi atpey cu xio jwo vuroomya lpufgep az jmu sodweqa:

print(fibonacciSeries)

Kux bqa rjimsbeilf fi que lje recamnt em qfa rechak qona uz nya Bpixu lajwuy.

Racoxa hea coxujr, qae sam juze a val emdqewizeyty qu zsu wefe ba cuwe iw pigu kaalokka. Huwuke pgiz vfe eh jeyseqautp ted pzu kufpf pgi umafankt eci ojsujb ewilboxoy, esw nlad pqa xawou mio’he iqtubj ri ldo okyid ehuojz kwa jodau eg rji ahjac ojgijb.

Pzipco kkafo zfi nuwmidoory ense ibu:

if index < 2 {
  fibonacciSeries.append(index)
}

Ded rxu lnavkhoumj apuow mu omsaqa kni fozedv os owebbazol za koyoda ilr dwiz dixxarp ttiji.

Pavt qfa xalk lfixnu, byo rubo ranalad seyljoc si xuew opb nosu bpzeuvglcomkulp.

Ud mni qaky satx ib ddid dewxah, qea’ps yuecb ecauh pesjrouzf atm gox tpar voxa yiev foni zifi ajbutolar uxm eejuat lu owcahkluqz.