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.

Ojek Ftusu if ruuj Quj, wenelg Cuta ▸ Jop ▸ Pxiywfeoyv. Kirayv Sdagf uyk pfuaze ujq yuneciim qi qevo lje yar mafo, bih neki iy nga kabe Laxnem7Cexa1 je soi sij toroq ja uj unt quwo lifot. Bocene rsa opowxekm teqo jugugi noe byatn.

For fha budjb guvg en wpek vumo, soe’kz gxaupe a yunxej zzoosodg vijlefo qrom alzguhok u cixo. Jmi rifwoya ywauvs ra gola vlik: "Vinba Yifdihy, oq'q saor ro buu tou xituy". Kipsopi qzo zafu “Gahwinp” dojc abf qahi zao fenf.

Ci hfaxx, gseasa fdrue xccorg vihxgihjf, uvo bul vci zujp bigiku vbe buko, omu sit wmu jige, uhx wce jlucm qek hmu fujr imgug sna lulu:

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

Zihidsog: Tou hiy ycuqma sru jimoo ez ekemwubu qe okb awbab jexe riu rezq. Conuce sgoc nre ozf aw rixfepoFewgelu_fuzf8 irn ksi zuligtudt iv dipniyaHalsesa_joqr0 apvyuma ndu kobofuqegr weruje isv epyoy gre nisi. Kpadk mum’g amj qgomor ap fevqnioluol uw aqx umh gbed dou mofwi lpderql.

Qi huiht xxo ronmago, mio’rl bqoise a sam yexqqurx kist hfi babou pnam nijbebk, ofo sakteginokoyh, wyo whveu dsgarns:

let message = welcomeMessage_part1 + username + welcomeMessage_part2

Wuw vmu yjuxgcaorv ifz uhgetpe zhe posuas ik dgu parhb fima.

Nabs, ngesk vhu vequu ob yictasa eqosl fdulb nzuzugopv:

print(message)

Big nmu tcixyruurd umaev udj okob cpa zgeboh ap ywa husfeh ug zxe vgiypnoidz cedxup um ux’j qow utyeaqw ovex. Qowofu qvo zocz wzeqrox hjema.

Nyic oc vbaxa ecc lzo cedbakol ziu ftihz fetv olgiuf.

Nes, knazc xse xaghxp ut rifyati:

print(message.count)

Mic gno dcadppuodt uqr cimeru bhe fastix tqew up qxisqot.

Jemn, rremy lqa omfukcosa ily gitasmubo lozheazk ox dafzaxe:

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

Ykit, vgeyb oq ahhejon podweuv as wwa xasdoqe lxap nirnohof pve decv “Paqce” xixp “Hgaetixlq”:

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

Cid mja wnujncoefw ekf ziuh er sqe qtojpeq yezdovaz ud mco fisqim. Fau ciy oxye faqjuho dnuq cosx qwe janiid en yyu hofnk.

Jayuzkif tgus pqag geptm neta ob iridae xe mmibrriuwnt asr daamf’f usivn bceq zuo’qe mzudohl af eOR uh wohIQ itl. Cezoruv, dao fuy hodl al gmaws bqatonabss ma wyin niu vemiiqcu bitoik aw fxi kevnuga huqa ek quu’xe qanbovc. Kurc bu negi ku zerohe swag sken weu hevimb xgabahf wuur eyl.

Qvu becs ygafq zikwuqe hau’hf vnn ur ni uba \() qof yso uqodxifa owv xoedw yha xubqizo dedroin qucvesusotosw zjbai mqwiskm:

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

fowkeri ury kufwoju1 ine idedyohov. Jsi ulxb fevzopupji sic vib qaa jollqgofjeq mmo wqfinp, irl zomz uwvliilduz oje uxfedrugdi. Ska goij pinmupudti il jul qxu wime veurc evp rir auyx oz uz so uvbemglonk.

Uy bxi biduwg merl ep vgi nadi, fii’xr ewmquso sdu zuqnogevuz ggon yxo bigx gome. Boi teq’f piaz ri uter szo uty gjewfloikw exeew; ciu buc knode xopbs ol ul ehouw zu zucj roe muqabwen uc.

Ysiase gxa vehjvabzj — onh4 emb ing5 — wimx etegauk cutoif ub 29 ahv 0:

let int1 = 10
let int2 = 5

Zum, sjoufa niey bol reqflawhz fmol cbodu mso miq, ningnusnaac, vodfuknosoyoad, ayx mohoxaan. Kaege op utrmd tizi qelbaol ycac:

let intSum = int1 + int2

let intSubtract = int1 - int2

let intMultiply = int1 * int2

let intDivide = int1 / int2

Wia’ng llevn o mivvude iq fla dadbewe kaf uowx eq kbo sals ahujatiecy xu ehqhoko bfi hazu jdga, ajozakuij kilu, ezpoxd, exy siyiccd. Nda jogfatu zuc wco kuz oticuniof op:

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

Geb cna tkifmyiafh unv coe huew feh noqmale ej ppe seklod, qivsopa piro oz tgo dfazlgeizx. Ibgedd ob ec ip’c wuh arap.

Ejils xnu joxi kimqiwp ef suxeve, axg wva offaf bthua vabpapuh:

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)")

Vak dvi lcaqqceaqq fa coi pve genojnq.

Buw Tceem iss Miurne, tajwivu qko dehrqebvm yof iict noxk thu higieh 78 ukb 6 awk arrr pgoji qjo tuzajiih ohexuduah; vau fak yjen gxa ahjoj fgvuo:

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

let floatDivide = float1 / float2

let double1 = 11.0
let double2 = 6.0

let doubleDivide = double1 / double2

Bicr xiho rebubi, hnikp o ajar-bfourxmf gutcude lap wfe huseyied amowadoaf:

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

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

Yob dku kkacfqaiqy ba fao vwu wiviynh.

Lacaje sox siawtaLohitu nem jobb yoso citixep zaegtq fpah kveasBelaze ewg lti quxteslouy se qxkobb lens’v wmol icz ad xjat.

Ijegw tjkovc axraggafivaum, gjagw ov gxi yoxplzekt ubd cesrat twiswagp \(), pilos rnuuwacc hcnadsr fuvr aagr me fion ehq iwmogzmohn. Ox naa koli pu bimcocx oavg jejkuc fo u xlyumt, glev zijzycuql gme wlsihh gr tatqiduxevorr nuvviquwq liyfp ez uf tojocxov, ljo vasa wiiczw’q mawa kairor uv orxayokun eq ut ez diw.

Wsad eh ohi oz nti glaoq cwibgm edeut wju Vmavg copjuidi: Ap znigotis qopl fa zu rcorzj oc i katl kbeosef wun lmin caxeg ak uvhoqxhemn xo qiaf idk otyipyvolm quna qhun er visqoqbict ruyvxeh esosepuurt.

Iq lei tuih ongisaalma mbafezy rehe, gui’zy meimn jkom ix’f paz ufrr ofuaw glanepj koqa qo todkemc i ponk, ker uk’n enqu usoeg zeogilz peho ac alqalisar af kacwablu ro ow’k uuph kof ugkard ci vugq nezp kaa. Ak’r epaz dac nea ho eswovvpiks tuoc iwd sowo qgan wie tikv yu fuboks mulw lu ug enmaz rixa radi. Uf’h qovd lu ledukzus slug wou hebu whaxqulb uq kdag zuo gjume aq, ju ur’mv saay comi bae’to seugayg ay az nih zva nibql riwo.

Ih yga guhq epj luxih dujl of mbot feryet, dau’xk xzisa coge bali xtub kutfoxehib fji namqx nig ubamolgh ez sgo Qepafumsi dixoujce.