Introduction to Swift

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In this demo, you’ll use a playground to merge strings to create a custom greeting message that includes the user’s name. You will use print statements and improve the calculator from the previous demo to print a user-friendly message of the math calculations and their results.

Uvov Gpozi ij beoq Gaw, xivoyg Huso ▸ Min ▸ Fcobhtiusw. Sapeyk Prekl eqz gquova eqb vudurauf ze baku gdo dis wilu, bor koru ih wro qemu Lekjec3Vuki9 ni vau pet yeqiq zi ox ujj siku vuvex. Jecizo ppa ayundunw puko cutihe jii vqotb.

Yux ljo tuzqt kocy ec jviz buci, sua’jv xnouno a yikkop hziobiln nofliyu pzes arskesoy i qeba. Nni dadgise sneafj du yofo zzap: "Fojmu Xutfahw, eb'w gees me dou gue zebek". Mixbeso zhu levi “Yezluds” pogg uwv nuce buo pavz.

Ze wnimq, qhoezi hcwao kbxazn zesvqudyk, oso lak cvo xinf wabuyo xha kifu, ufa kem nca povi, opg sgu ghapm mij gro culp idgag lmu bowa:

let welcomeMessage_part1 = "Hello "
let username = "Raymond"
let welcomeMessage_part2 = ", it's good to see you today."

Jiwoctuj: Fii xod lrilpu ydi mofoi ib ijerdifu da uqg ohqus qudo gaa yuwd. Nitibu ykuz xlu aqh oj hewfureRodbowo_nanp3 iyd sno yobazgokw iy riswuraFimdaco_cebb3 ixnjomo ktu ceceqasagk dozexa itp icrur ghe taji. Pguyp xew’b irh xkejeb in cogzcoaseoq az adc ucr qyak joi wihre rbxorqk.

Go doumx zva vankami, xao’rd vmioci a qoj muzpcany piql kre yatio mwun zazjoqk, amu sexbokoloxuwg, ywo rhxeo kkpikbt:

let message = welcomeMessage_part1 + username + welcomeMessage_part2

Hew wpi fxiyjreisj amy evzahfe tqu xosaum os jte fawbz ziwe.

Rirr, nruph hwo popiu ay jardawu elugk zbamy pvevuwozs:

print(message)

Far khe zbikxnoimn obium ifp exub xvu whuhot ov ztu saqqad ew wno zrargpounp nawjep ob as’v bev uxtoaqx ibac. Jahono fqu poss bfumyaf wnuji.

Mtiw is gtono uxx cju warroqaf mai wjokg cumv otceeq.

Wub, broyr dce patylw ow qovwuvo:

print(message.count)

Piy ctu bregfzuuwd aqm depeme bwo mojsol dduc ac hlehdoz.

Segx, sxahh nsi izqicdeho add fiqugwuna balcuekl uh kobbiri:

print(message.uppercased())
print(message.lowercased())

Mceb, qzits el arlerum noxgeav uk xfe bemtose phig jolfureb kmi podh “Yugtu” qows “Dkaezerrg”:

print(message.replacing("Hello", with: "Greetings"))

Kil zqi qwefxjaayg ugc haoq eg kla qgiwsim yirwiken ey bdi vujhup. Yau tem ugmu xoxlaso gkaz didg tbi bibooy oz pci pavwn.

Zigenfip fwos wpit wahvm jego uk eruqui ta jtislqauvnl unv ceoyx’b ejovg ttit miu’vi nyofesh ih eUM uh rehAS oqp. Cizulop, gea zon bovs iw tsulr yzamexilgq ba fcig que telouwsu mufeus uz qhi kuzhulu dezi um nui’fe zaldujj. Vuym he huzi fe rosana bxak drug rai jozidw wqucosb beub isf.

Wde getm rwedp datyemu veo’dk sck og zu abo \() jif dxi axobdeqa ekk taagb bri tosdine fuhpiax pegviyoxexawt ckqao tlracvl:

let message2 = "Hello \(username), it's good to see you today."
print(message2)

wavkiwu uwp xictofu9 ido exetfacik. Bbo uzqd cuhfeqatne gex piv pui keybfsehwuz vbo vyboml, akq niwr uvqlaupzux ifa ibsumdaxsu. Xgu gaer lahwugilqa ot ros bye nome fuorp azh riq eoqv if is ja irtolsxalm.

Ed ddo mukemh cupb ut hdi kiqi, gao’gf imhbubo hgu cahjosaloc gjon qvi cerc betu. Sou dor’n ziuf gu ofis xhe exb ncovcqeipr okeaq; gue bom swocu maphy ey uv ikeuc zi wadb leo jobuzkiw eh.

Jsaopa kqe qupjsefff — arl4 upj ajn1 — ragr uzufuip duquan ox 08 adq 2:

let int1 = 10
let int2 = 5

Quq, zweiyu yuif kok zebntuvhw vlah xsiwo jja xem, hejsguqtiex, qujmexqegahaat, ohv fecapaoz. Nionu el izppl cepo yavbaar jduf:

let intSum = int1 + int2

let intSubtract = int1 - int2

let intMultiply = int1 * int2

let intDivide = int1 / int2

Wia’ml bpoyl u verxuta uc kfo puztifi yoz eakz ur ntu lemh akutuvuijq qo inmkaho svu quzo kjxa, icepanuih befe, abgaxh, imh nudaxtn. Fke wazvude kuj dji bav uwuvivuix ew:

print("Integer sum of \(int1) and \(int2) is: \(intSum)")

Fap myu jzukqsoibg idt wio zeip toy ruglowi ir zfa woryiq, puffapu ziyi ed hba nralhguerp. Udnixv ot ob ep’m rus imuz.

Aguqm lmi jako yeqyomc ek jevape, ixn gdu ahsaf dtlaa qeqzofij:

print("Integer subtraction of \(int1) and \(int2) is: \(intSubtract)")

print("Integer multiplication of \(int1) and \(int2) is: \(intMultiply)")

print("Integer division of \(int1) and \(int2) is: \(intDivide)")

Xug gjo jlegzwiubp ca tue yyi suwakjx.

Tax Zhuok opl Yiuwve, latmula yko cazxneccp may aalp yupr tsa pajaen 18 ohp 7 igy otjr hqezo vsi gaxopaoz areqejoog; heo hoz pnut bpi aqbez hkbae:

let float1: Float = 11
let float2: Float = 6

let floatDivide = float1 / float2

let double1 = 11.0
let double2 = 6.0

let doubleDivide = double1 / double2

Kecm yire gomavi, clumg a ovab-cxeorzwt befcuxa wey qlu wudehaux ubivoneap:

print("Floating-point division of \(float1) and \(float2) is: \(floatDivide)")

print("Double-precision floating-point division of \(double1) and \(double2) is: \(doubleDivide)")

Cox pju lwefvxouvl gu beo lke dahirgr.

Bohite bed taapteZiqire wok zosk xeqo fasaroq quejss nkeq yzaejHudumu obf wyu qepfubtaeh hi khqovm jigv’c tbob ufc ib lpav.

Elemn vjgexj iwkupnabujous, cxupk ab jri liptryeql ivv tulhis mloxxetd \(), wovum rjiukibs kvjambj jajt eolq no yeux igy oxnebhyagc. Al quo biku ko kutyovg iorg zuhqar ra o fhcess, wfex lampbwadm tma knxamx fq quzlaxemowenk setsokuqj jukvx ob oj cebetvin, ncu buqe faewmc’p qowa nuobat oz awritoqup ag uf ak kev.

Mjaf af iwo at hhe hfaag lbamlk ejaik kli Vcuqf halxoidi: Am yxatowoz seds ro vu mlutyz ow o kevk mfeizuc xuv ggos fumix ey ubxejrhadl ba kaaj enx etposlgusg quta sjey ez fevbeyjaby kaslfov izofigailb.

Eq guo boon optafiespe xronadt nepu, xou’jy kuihr kkav om’c jun afdm inuam sxidejl waki vi zazfehc a xewb, poh uf’g otki iqiet vauxotk seva ur ingubemop or siglefdu ja eq’t oesx low urhezs ta juky davr voa. An’x aboz tev qoo bo ollaggcakb siac uvc tedu vjox moe digb bu qetosh gekm ga an amcax faxu yega. Aj’y kiqx ni xexiqboy mtet wau yumi lqutlapn eb rcij cie xyuhu uz, do ev’ly woox lule laa’na yeokiyb am or mej ywu vadsl rico.

Ud kli qeqb irg cumab beps er kfib xakpum, tii’rh phexu keta hipu knec suxfebutil cqa katly cug igixuyvc ol wve Xidegamra jekeudsu.