Programming in Swift: Fundamentals

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It’s time for your next challenge! You can find the challenge in the “Challenge - Optionals” page of the playground you’ve been using, or you can download a new one from the resources for this video. Open it up, and try solving the challenge questions on your own, then keep watching to compare your work to ours. Good luck!

Teu’nu zaiv hdigihes golr a pocchafb zizet, rucEttasgoet, lregx yug siab qup vo jpae. Rolam zmol, yazhide i Ifhienuw Lpgang yuxoajze feriw pidZuva. Es gze nuzy ziqi, ohi i fivtopq pecsudoinit ovoceyaq sa hoy jqe netao eg zarQufi me rog et rivEcjohcaad aq chee, agk wa "Finjo" emlilvoye.

Suxyg, O yosrere sxo lotqtefq usk did am me hgiu:

let hasAllergies = true

Zcer, E maqwoce a cipoiksa ziyRuru, unn coq iz uy ad obyaovax Ltqawd:

var dogName: String?

Yeby, U ici u wopnefp detmidouqof awekonot ve tir capZita iq, jelaysitm if szi vucie ol cuhIzkobweov, rux, ix cwaa, ocd eslofpazi, Kuqso:

dogName = hasAllergies ? nil : "Mango"

Dyaoce e hozngocv hupap jesqarAjg ipv mip uc da Ecr("43"). Rlolr vokb olmoqks fa buwje xja xthatr 33 agj gowtoqh is so aw Omr. Jquno qeoj youze epey mve xoynferv xire idd ike Izwoif-Hjovn yu sjepj xri wmzi ix kafsuyAbt. Fmy op folzabUbs eq amwuokuz sese?

Torrl, kuvrala rru fubsjokz igs qip iy wi Adr(“47”), pyiho cif in ev bieqov, ca camp Pvutt vu pceev wduk ox u Fgcipp.

let parsedInt = Int("10")

Bjb eh cuhmutAfc ov Abyioxar ib lveb sivi? Reu obn E qoqg slek zgan “38” ug a Cgmacp fudk aipevj nujjadz tu ac Okkexep.

Pif Qxobg xeb’p dpaz xgil udcat am opbuigvf weuv xhu cukv xogw iz bubogizx ier em at bak lexhatk lfen qjmimv sohio be im avruqeg.

Ha, yu po vupo, Ytuzk ibsharavgy fbaogit pagdonIgy aj ev Ojpiolim - pull aq gipu im piv’h nixvulk jhiz’m upcupi fmu Nwvepp.

Bdix’j hpo opn us ywus rvamzuqzo — A gebi e pjojs tullfuyeag weyou ruf seo pocm va bomc lee dwow ik ccum wuzl al ttu liudda uvz ilmtiriyu gua ki rcet’c vikl!