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import UIKit
import Foundation
var str: String = "AT AZ AX AL DZ VI AS AI AO AD AQ AG AR AM AW AF BS BD BB BH BZ BY BE BJ BM BG BO BQ BA BW BR IO VG BN BF BI BT VU VA GB HU VE UM TL VN GA HT GY GM GH GP GT GF GN GW DE GG GI HN HK GD GL GR GE GU DK JE DJ DM DO CD EU EG ZM EH ZW IL IN ID JO IQ IR IE IS ES IT YE CV KZ KY KH CM CA QA KE CY KG KI TW KP CN CC CO KM CR CI CU KW CW LA LV LS LR LB LY LT LI LU MU MR MG YT MO MK MW MY ML MV MT MA MQ MH MX FM MZ MD MC MN MS MM NA NR NP NE NG NL NI NU NZ NC NO AE OM BV IM CK NF CX PN SH PK PW PS PA PG PY PE PL PT PR CG KR RE RU RW RO SV WS SM ST SA SZ MP SC BL MF PM SN VC KN LC RS SG SX SY SK SI SB SO SD SR US SL TJ TH TZ TC TG TK TO TT TV TN TM TR UG UZ UA WF UY FO FJ PH FI FK FR PF TF HM HR CF TD ME CZ CL CH SE SJ LK EC GQ ER EE ET ZA GS SS JM JP"
func space(input: String) -> String {
var seenSpace =
false
var returnValue = " "
for letter
in input {
if letter == " " {
if seenSpace {
continue }
seenSpace =
true
}
else {
seenSpace =
false
}
returnValue.append(letter)
}
return returnValue
}
var b = space(input: str)
//print(b)
let characters = Array(b)
var z = b
let y = z.replacingOccurrences(of: " ", with: ",", options: .regularExpression, range:
nil)
print(y)
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joined = array.joined(separator: ", ")
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joined = array.joined(separator: ", ")
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