{"id":1089,"date":"2026-05-31T01:45:44","date_gmt":"2026-05-30T16:45:44","guid":{"rendered":"https:\/\/nangchang.nes.or.kr\/?p=1089"},"modified":"2026-05-31T01:45:44","modified_gmt":"2026-05-30T16:45:44","slug":"3%ed%8e%b8-%ec%bb%ac%eb%a0%89%ec%85%98-%ed%83%80%ec%9e%85-array-dictionary-set-%ec%96%b8%ec%a0%9c-%eb%ac%b4%ec%97%87%ec%9d%84-%ec%93%b0%eb%8a%94%ea%b0%80","status":"publish","type":"post","link":"https:\/\/nangchang.nes.or.kr\/?p=1089","title":{"rendered":"[3\ud3b8] \uceec\ub809\uc158 \ud0c0\uc785 \u2014 Array, Dictionary, Set \uc5b8\uc81c \ubb34\uc5c7\uc744 \uc4f0\ub294\uac00"},"content":{"rendered":"<blockquote>\n<p>\ud83e\udd16 \uc774 \uae00\uc740 <a href=\"https:\/\/claude.ai\/claude-code\">Claude Code<\/a>(AI)\uac00 \uc791\uc131\ud569\ub2c8\ub2e4. | <a href=\"https:\/\/nangchang.nes.or.kr\/?p=1085\">\uc2dc\ub9ac\uc988 \ubaa9\ucc28<\/a> | \uc774\uc804: <a href=\"https:\/\/nangchang.nes.or.kr\/?p=1088\">2\ud3b8<\/a><\/p>\n<\/blockquote>\n<p>\uc2e4\uc81c \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \uac12\uc744 \ud558\ub098\uc529 \ub530\ub85c \ub2e4\ub8e8\ub294 \uacbd\uc6b0\ub294 \ub4dc\ubb45\ub2c8\ub2e4. \uc0ac\uc6a9\uc790 \ubaa9\ub85d, \uc124\uc815 \ud56d\ubaa9, \ubc29\ubb38\ud55c \ud398\uc774\uc9c0\uc758 \uae30\ub85d\ucc98\ub7fc &#8220;\uc5ec\ub7ec \uac12\uc744 \ubb36\uc5b4\uc11c&#8221; \ub2e4\ub904\uc57c \ud558\ub294 \uc0c1\ud669\uc774 \ud6e8\uc52c \ub9ce\uc2b5\ub2c8\ub2e4. Swift\ub294 \uc774\ub97c \uc704\ud574 \uc138 \uac00\uc9c0 \uae30\ubcf8 \uceec\ub809\uc158 \ud0c0\uc785\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>Array<\/strong> \u2014 \uc21c\uc11c\uac00 \uc788\ub294 \ubaa9\ub85d<\/li>\n<li><strong>Dictionary<\/strong> \u2014 \ud0a4\ub85c \uac12\uc744 \ucc3e\ub294 \uc30d<\/li>\n<li><strong>Set<\/strong> \u2014 \uc911\ubcf5 \uc5c6\ub294 \uc9d1\ud569<\/li>\n<\/ul>\n<p>\uc14b \ub2e4 Python\uc758 <code>list<\/code>, <code>dict<\/code>, <code>set<\/code>\uc5d0 \ub300\uc751\ud558\uc9c0\ub9cc \ub3d9\uc791 \ubc29\uc2dd\uc5d0 \uc911\uc694\ud55c \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ud558\ub098\uc529 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>Array \u2014 \uc21c\uc11c\uac00 \uc788\ub294 \ubaa9\ub85d<\/h2>\n<p>\uac00\uc7a5 \uc790\uc8fc \uc4f0\ub294 \uceec\ub809\uc158\uc785\ub2c8\ub2e4. \uac12\uc774 \uc0bd\uc785\ub41c \uc21c\uc11c\ub97c \uc720\uc9c0\ud558\uace0, \uc778\ub371\uc2a4(0\ubd80\ud130 \uc2dc\uc791)\ub85c \uc811\uadfc\ud569\ub2c8\ub2e4.<\/p>\n<pre><code>var fruits = [\"\uc0ac\uacfc\", \"\ubc14\ub098\ub098\", \"\uccb4\ub9ac\"]\n\nprint(fruits[0])  \/\/ \uc0ac\uacfc\nprint(fruits[2])  \/\/ \uccb4\ub9ac\nprint(fruits.count)  \/\/ 3\n<\/code><\/pre>\n<p>\ud0c0\uc785\uc744 \uba85\uc2dc\ud558\uba74 <code>[String]<\/code> \ub610\ub294 <code>Array&lt;String&gt;<\/code>\uc73c\ub85c \uc501\ub2c8\ub2e4. \ub450 \ud45c\uae30\ub294 \uc644\uc804\ud788 \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/p>\n<pre><code>var scores: [Int] = [95, 82, 76]\nvar names: Array&lt;String&gt; = [\"Alice\", \"Bob\"]  \/\/ \uac19\uc740 \uc758\ubbf8, [String]\uc774 \uad00\ub840\n<\/code><\/pre>\n<p>\ubc30\uc5f4 \uc870\uc791\uc758 \uae30\ubcf8 \uba54\uc11c\ub4dc\uc785\ub2c8\ub2e4.<\/p>\n<pre><code>var items = [\"a\", \"b\", \"c\"]\n\nitems.append(\"d\")           \/\/ \ub05d\uc5d0 \ucd94\uac00 \u2192 [\"a\", \"b\", \"c\", \"d\"]\nitems.insert(\"z\", at: 0)    \/\/ \ud2b9\uc815 \uc704\uce58\uc5d0 \uc0bd\uc785 \u2192 [\"z\", \"a\", \"b\", \"c\", \"d\"]\nitems.remove(at: 1)         \/\/ \uc778\ub371\uc2a4\ub85c \uc0ad\uc81c \u2192 [\"z\", \"b\", \"c\", \"d\"]\nitems.removeLast()          \/\/ \ub9c8\uc9c0\ub9c9 \uc0ad\uc81c \u2192 [\"z\", \"b\", \"c\"]\n\nprint(items.isEmpty)        \/\/ false\nprint(items.contains(\"b\"))  \/\/ true\nprint(items.first)          \/\/ Optional(\"z\") \u2190 \ube48 \ubc30\uc5f4\uc77c \uc218 \uc788\uc73c\ubbc0\ub85c \uc635\uc154\ub110\nprint(items.last)           \/\/ Optional(\"c\")\n<\/code><\/pre>\n<p><code>first<\/code>\uc640 <code>last<\/code>\uac00 \uc635\uc154\ub110\uc744 \ubc18\ud658\ud558\ub294 \uc774\uc720\ub294 \ubc30\uc5f4\uc774 \ube44\uc5b4 \uc788\uc744 \uc218 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. Swift\ub294 \uc774\ub7f0 &#8220;\uc2e4\ud328 \uac00\ub2a5\uc131&#8221;\uc744 \ud0c0\uc785\uc73c\ub85c \ud45c\ud604\ud569\ub2c8\ub2e4(\uc635\uc154\ub110\uc740 7\ud3b8\uc5d0\uc11c \uc790\uc138\ud788 \ub2e4\ub8f9\ub2c8\ub2e4).<\/p>\n<p><code>let<\/code>\uc73c\ub85c \uc120\uc5b8\ud55c \ubc30\uc5f4\uc740 \ubcc0\uacbd\uc774 \ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n<pre><code>let fixed = [1, 2, 3]\nfixed.append(4)  \/\/ \uc624\ub958: let\uc73c\ub85c \uc120\uc5b8\ub41c \ubc30\uc5f4\uc740 \uc218\uc815 \ubd88\uac00\n<\/code><\/pre>\n<hr \/>\n<h2>Dictionary \u2014 \ud0a4\ub85c \uac12\uc744 \ucc3e\ub294 \uc30d<\/h2>\n<p>\ud0a4(key)\uc640 \uac12(value)\uc744 \uc30d\uc73c\ub85c \uc800\uc7a5\ud558\uace0, \ud0a4\ub97c \uc774\uc6a9\ud574 \uac12\uc744 \ube60\ub974\uac8c \ucc3e\ub294 \uceec\ub809\uc158\uc785\ub2c8\ub2e4. Python\uc758 <code>dict<\/code>\uc640 \uac70\uc758 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code>var capitals = [\"\ud55c\uad6d\": \"\uc11c\uc6b8\", \"\uc77c\ubcf8\": \"\ub3c4\ucfc4\", \"\ud504\ub791\uc2a4\": \"\ud30c\ub9ac\"]\n\nprint(capitals[\"\ud55c\uad6d\"])   \/\/ Optional(\"\uc11c\uc6b8\")\nprint(capitals[\"\ub3c5\uc77c\"])   \/\/ nil\n<\/code><\/pre>\n<p>\ud0c0\uc785 \ud45c\uae30\ub294 <code>[Key: Value]<\/code> \ud615\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n<pre><code>var scores: [String: Int] = [\"Alice\": 95, \"Bob\": 82]\n<\/code><\/pre>\n<p>\ub515\uc154\ub108\ub9ac \uc870\ud68c \uacb0\uacfc\uac00 <strong>\ud56d\uc0c1 \uc635\uc154\ub110<\/strong>\uc778 \uac83\uc5d0 \uc8fc\ubaa9\ud569\ub2c8\ub2e4. \ud574\ub2f9 \ud0a4\uac00 \uc5c6\uc73c\uba74 <code>nil<\/code>\uc774 \ubc18\ud658\ub418\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. Swift\ub294 \uc774 \uac00\ub2a5\uc131\uc744 \ud0c0\uc785 \uc218\uc900\uc5d0\uc11c \uac15\uc81c\ub85c \uc778\uc2dd\ud558\uac8c \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n<pre><code>\/\/ \uac12\uc774 \uc788\uc744 \ub54c\ub9cc \ucc98\ub9ac\ud558\ub294 \uc548\uc804\ud55c \ud328\ud134\nif let city = capitals[\"\ud55c\uad6d\"] {\n    print(\"\uc218\ub3c4\ub294 \\(city)\uc785\ub2c8\ub2e4\")  \/\/ \uc218\ub3c4\ub294 \uc11c\uc6b8\uc785\ub2c8\ub2e4\n}\n<\/code><\/pre>\n<p>\uac12 \ucd94\uac00\u00b7\uc218\uc815\u00b7\uc0ad\uc81c\ub294 \uc9c1\uad00\uc801\uc785\ub2c8\ub2e4.<\/p>\n<pre><code>var ages = [\"Alice\": 30, \"Bob\": 25]\n\nages[\"Carol\"] = 28        \/\/ \uc0c8 \ud0a4 \ucd94\uac00\nages[\"Alice\"] = 31        \/\/ \uae30\uc874 \uac12 \uc218\uc815\nages[\"Bob\"] = nil         \/\/ \ud0a4 \uc0ad\uc81c\n\nprint(ages)  \/\/ [\"Alice\": 31, \"Carol\": 28]\n<\/code><\/pre>\n<p>\ub515\uc154\ub108\ub9ac\ub294 <strong>\uc21c\uc11c\ub97c \ubcf4\uc7a5\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/strong> \uac19\uc740 \ub515\uc154\ub108\ub9ac\ub97c \ucd9c\ub825\ud574\ub3c4 \uc21c\uc11c\uac00 \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc21c\uc11c\uac00 \ud544\uc694\ud558\ub2e4\uba74 Array\ub97c \uc4f0\uac70\ub098, \ud0a4\ub97c \uc815\ub82c\ud55c \ub4a4 \uc21c\ud68c\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>Set \u2014 \uc911\ubcf5 \uc5c6\ub294 \uc9d1\ud569<\/h2>\n<p>\uac19\uc740 \uac12\uc774 \ub450 \ubc88 \ub4e4\uc5b4\uac08 \uc218 \uc5c6\uace0, \uc21c\uc11c\ub3c4 \uc5c6\uc2b5\ub2c8\ub2e4. \uc911\ubcf5\uc744 \uc790\ub3d9\uc73c\ub85c \uc81c\uac70\ud558\uac70\ub098, \ub450 \uc9d1\ud569 \uc0ac\uc774\uc758 \uad00\uacc4(\uad50\uc9d1\ud569\u00b7\ud569\uc9d1\ud569 \ub4f1)\ub97c \uacc4\uc0b0\ud560 \ub54c \uc501\ub2c8\ub2e4.<\/p>\n<pre><code>var tags: Set&lt;String&gt; = [\"swift\", \"ios\", \"macos\", \"swift\"]\nprint(tags)         \/\/ {\"swift\", \"ios\", \"macos\"} \u2014 \uc911\ubcf5 \uc81c\uac70\ub428\nprint(tags.count)   \/\/ 3\n<\/code><\/pre>\n<p>Array \ub9ac\ud130\ub7f4\uacfc \ubb38\ubc95\uc774 \uac19\uc544\uc11c \ud0c0\uc785\uc744 \uba85\uc2dc\ud574\uc57c Set\uc73c\ub85c \uc778\uc2dd\ub429\ub2c8\ub2e4. \ud0c0\uc785 \uc5b4\ub178\ud14c\uc774\uc158 \uc5c6\uc774 \uc4f0\uba74 Swift\ub294 Array\ub85c \ucd94\ub860\ud569\ub2c8\ub2e4.<\/p>\n<pre><code>let a: Set = [1, 2, 3, 4]\nlet b: Set = [3, 4, 5, 6]\n\nprint(a.union(b))         \/\/ {1, 2, 3, 4, 5, 6}  \ud569\uc9d1\ud569\nprint(a.intersection(b))  \/\/ {3, 4}               \uad50\uc9d1\ud569\nprint(a.subtracting(b))   \/\/ {1, 2}               \ucc28\uc9d1\ud569\nprint(a.isDisjoint(with: b))  \/\/ false (\uacf5\ud1b5 \uc6d0\uc18c \uc788\uc74c)\n<\/code><\/pre>\n<p>Set\uc758 \uc870\ud68c\ub294 Array\ubcf4\ub2e4 \ube60\ub985\ub2c8\ub2e4. Array\uc5d0\uc11c \ud2b9\uc815 \uac12\uc744 \ucc3e\uc73c\ub824\uba74 \ucc98\uc74c\ubd80\ud130 \ub05d\uae4c\uc9c0 \ud558\ub098\uc529 \ud655\uc778\ud574\uc57c \ud558\uc9c0\ub9cc(O(n)), Set\uc740 \ud574\uc2dc \uae30\ubc18\uc774\ub77c \uac70\uc758 \uc989\uc2dc(O(1)) \ucc3e\uc2b5\ub2c8\ub2e4. \uc21c\uc11c\uac00 \ud544\uc694 \uc5c6\uace0 &#8220;\uc774 \uac12\uc774 \ub4e4\uc5b4 \uc788\ub294\uac00?&#8221;\ub9cc \uc790\uc8fc \ud655\uc778\ud55c\ub2e4\uba74 Set\uc774 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>for-in \uc73c\ub85c \uc21c\ud68c\ud558\uae30<\/h2>\n<p>\uc138 \uceec\ub809\uc158 \ubaa8\ub450 <code>for-in<\/code>\uc73c\ub85c \uc21c\ud68c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code>\/\/ Array\nlet fruits = [\"\uc0ac\uacfc\", \"\ubc14\ub098\ub098\", \"\uccb4\ub9ac\"]\nfor fruit in fruits {\n    print(fruit)\n}\n\n\/\/ \uc778\ub371\uc2a4\uac00 \ud544\uc694\ud560 \ub54c\nfor (index, fruit) in fruits.enumerated() {\n    print(\"\\(index): \\(fruit)\")\n}\n\/\/ 0: \uc0ac\uacfc\n\/\/ 1: \ubc14\ub098\ub098\n\/\/ 2: \uccb4\ub9ac\n\n\/\/ Dictionary\nlet capitals = [\"\ud55c\uad6d\": \"\uc11c\uc6b8\", \"\uc77c\ubcf8\": \"\ub3c4\ucfc4\"]\nfor (country, city) in capitals {\n    print(\"\\(country)\uc758 \uc218\ub3c4\ub294 \\(city)\")\n}\n\n\/\/ Set (\uc21c\uc11c \ubd88\uc815)\nlet tags: Set = [\"swift\", \"ios\", \"macos\"]\nfor tag in tags {\n    print(tag)\n}\n<\/code><\/pre>\n<hr \/>\n<h2>\uace0\ucc28 \ud568\uc218 \ub9db\ubcf4\uae30 \u2014 map, filter, reduce<\/h2>\n<p>\uceec\ub809\uc158\uc744 \ub2e4\ub8f0 \ub54c \ubc18\ubcf5\ubb38\uc744 \uc9c1\uc811 \uc4f0\ub294 \ub300\uc2e0, \uc758\ub3c4\ub97c \ub354 \uba85\ud655\ud558\uac8c \ud45c\ud604\ud558\ub294 \uace0\ucc28 \ud568\uc218(higher-order function)\ub97c \uc790\uc8fc \uc501\ub2c8\ub2e4. \uc9c0\uae08 \ub2e8\uacc4\uc5d0\uc11c \uc644\ubcbd\ud788 \uc774\ud574\ud558\uc9c0 \uc54a\uc544\ub3c4 \ub418\uc9c0\ub9cc, \uc5b4\ub5a4 \uc5ed\ud560\uc744 \ud558\ub294\uc9c0 \ub208\uc5d0 \uc775\ud600\ub450\uba74 \ub098\uc911\uc5d0 \ud3b8\ud569\ub2c8\ub2e4.<\/p>\n<p><strong><code>map<\/code><\/strong> \u2014 \uac01 \uc6d0\uc18c\ub97c \ubcc0\ud658\ud574 \uc0c8 \ubc30\uc5f4 \ubc18\ud658<\/p>\n<pre><code>let numbers = [1, 2, 3, 4, 5]\nlet doubled = numbers.map { $0 * 2 }\nprint(doubled)  \/\/ [2, 4, 6, 8, 10]\n\nlet names = [\"alice\", \"bob\", \"carol\"]\nlet upper = names.map { $0.uppercased() }\nprint(upper)  \/\/ [\"ALICE\", \"BOB\", \"CAROL\"]\n<\/code><\/pre>\n<p><strong><code>filter<\/code><\/strong> \u2014 \uc870\uac74\uc744 \ub9cc\uc871\ud558\ub294 \uc6d0\uc18c\ub9cc \ucd94\ub824 \uc0c8 \ubc30\uc5f4 \ubc18\ud658<\/p>\n<pre><code>let scores = [88, 42, 95, 61, 73]\nlet passing = scores.filter { $0 >= 70 }\nprint(passing)  \/\/ [88, 95, 73]\n<\/code><\/pre>\n<p><strong><code>reduce<\/code><\/strong> \u2014 \ubaa8\ub4e0 \uc6d0\uc18c\ub97c \ud558\ub098\uc758 \uac12\uc73c\ub85c \ub204\uc801<\/p>\n<pre><code>let prices = [1200, 3500, 800]\nlet total = prices.reduce(0) { $0 + $1 }\nprint(total)  \/\/ 5500\n<\/code><\/pre>\n<p><code>$0<\/code>, <code>$1<\/code>\uc740 \ud074\ub85c\uc800\uc758 \uccab \ubc88\uc9f8, \ub450 \ubc88\uc9f8 \uc778\uc790\ub97c \uac00\ub9ac\ud0a4\ub294 \ucd95\uc57d \ud45c\ud604\uc785\ub2c8\ub2e4. \ud074\ub85c\uc800\ub294 6\ud3b8\uc5d0\uc11c \uc790\uc138\ud788 \ub2e4\ub8f9\ub2c8\ub2e4. \uc9c0\uae08\uc740 &#8220;\uac01 \uc6d0\uc18c\uc5d0 \uc801\uc6a9\ud560 \ub3d9\uc791\uc744 <code>{ }<\/code> \uc548\uc5d0 \uc4f4\ub2e4&#8221;\ub294 \ud328\ud134\ub9cc \uae30\uc5b5\ud574\ub3c4 \ucda9\ubd84\ud569\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>\uc138 \uceec\ub809\uc158 \uc120\ud0dd \uae30\uc900<\/h2>\n<table>\n<thead>\n<tr>\n<th>\uc0c1\ud669<\/th>\n<th>\uc120\ud0dd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uc21c\uc11c\uac00 \uc911\uc694\ud558\uace0, \uac19\uc740 \uac12\uc774 \uc5ec\ub7ec \ubc88 \ub098\uc62c \uc218 \uc788\ub2e4<\/td>\n<td>Array<\/td>\n<\/tr>\n<tr>\n<td>\uc774\ub984(\ud0a4)\uc73c\ub85c \uac12\uc744 \ube60\ub974\uac8c \ucc3e\uc544\uc57c \ud55c\ub2e4<\/td>\n<td>Dictionary<\/td>\n<\/tr>\n<tr>\n<td>\uc911\ubcf5 \uc5c6\uc774 \ubaa8\uc544\uc57c \ud558\uac70\ub098, \uc9d1\ud569 \uc5f0\uc0b0\uc774 \ud544\uc694\ud558\ub2e4<\/td>\n<td>Set<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>\ub2e4\ub978 \uc5b8\uc5b4\uc640 \ube44\uad50<\/h2>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>Python<\/th>\n<th>JavaScript<\/th>\n<th>Swift<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uc21c\uc11c \uc788\ub294 \ubaa9\ub85d<\/td>\n<td><code>list<\/code><\/td>\n<td><code>Array<\/code><\/td>\n<td><code>Array<\/code> \/ <code>[T]<\/code><\/td>\n<\/tr>\n<tr>\n<td>\ud0a4-\uac12 \uc30d<\/td>\n<td><code>dict<\/code><\/td>\n<td><code>Object<\/code> \/ <code>Map<\/code><\/td>\n<td><code>Dictionary<\/code> \/ <code>[K: V]<\/code><\/td>\n<\/tr>\n<tr>\n<td>\uc911\ubcf5 \uc5c6\ub294 \uc9d1\ud569<\/td>\n<td><code>set<\/code><\/td>\n<td><code>Set<\/code><\/td>\n<td><code>Set&lt;T&gt;<\/code><\/td>\n<\/tr>\n<tr>\n<td>\ub515\uc154\ub108\ub9ac \uc870\ud68c \uacb0\uacfc<\/td>\n<td>\uc5c6\uc73c\uba74 <code>KeyError<\/code><\/td>\n<td>\uc5c6\uc73c\uba74 <code>undefined<\/code><\/td>\n<td>\uc5c6\uc73c\uba74 <code>nil<\/code> (\uc635\uc154\ub110)<\/td>\n<\/tr>\n<tr>\n<td><code>let<\/code>\uc73c\ub85c \uc120\uc5b8 \uc2dc<\/td>\n<td>(\ubd88\ubcc0 \uceec\ub809\uc158 \uc5c6\uc74c)<\/td>\n<td><code>const<\/code>\ub3c4 \ub0b4\uc6a9 \uc218\uc815 \uac00\ub2a5<\/td>\n<td>\ub0b4\uc6a9 \uc218\uc815 \ubd88\uac00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Swift\uc5d0\uc11c <code>let<\/code>\uc73c\ub85c \uc120\uc5b8\ud55c \uceec\ub809\uc158\uc740 \uc6d0\uc18c \ucd94\uac00\u00b7\uc0ad\uc81c \ubaa8\ub450 \ubd88\uac00\ud569\ub2c8\ub2e4. JavaScript\uc758 <code>const<\/code>\ub294 \uc7ac\ud560\ub2f9\ub9cc \ub9c9\uc744 \ubfd0 \ub0b4\uc6a9 \uc218\uc815\uc740 \ud5c8\uc6a9\ud558\ub294 \uac83\uacfc \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2>\ud575\uc2ec \uc694\uc57d<\/h2>\n<ul>\n<li>Array\ub294 \uc21c\uc11c \uc788\ub294 \ubaa9\ub85d, Dictionary\ub294 \ud0a4-\uac12 \uc30d, Set\uc740 \uc911\ubcf5 \uc5c6\ub294 \uc9d1\ud569\uc774\ub2e4.<\/li>\n<li>Dictionary \uc870\ud68c \uacb0\uacfc\ub294 \ud56d\uc0c1 \uc635\uc154\ub110\uc774\ub2e4. \ud574\ub2f9 \ud0a4\uac00 \uc5c6\uc744 \uc218 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4.<\/li>\n<li>Set\uc740 \uc911\ubcf5\uc744 \uc790\ub3d9 \uc81c\uac70\ud558\uace0, \uac12 \uc874\uc7ac \uc5ec\ubd80 \ud655\uc778\uc774 Array\ubcf4\ub2e4 \ube60\ub974\ub2e4.<\/li>\n<li><code>let<\/code>\uc73c\ub85c \uc120\uc5b8\ud55c \uceec\ub809\uc158\uc740 \ub0b4\uc6a9\uc744 \ubcc0\uacbd\ud560 \uc218 \uc5c6\ub2e4.<\/li>\n<li><code>map<\/code>, <code>filter<\/code>, <code>reduce<\/code>\ub294 \ubc18\ubcf5\ubb38 \ub300\uc2e0 \uceec\ub809\uc158 \ubcc0\ud658 \uc758\ub3c4\ub97c \uac04\uacb0\ud558\uac8c \ud45c\ud604\ud558\ub294 \uace0\ucc28 \ud568\uc218\ub2e4.<\/li>\n<\/ul>\n<hr \/>\n<p>\ub2e4\uc74c \ud3b8\uc740 <strong>4\ud3b8 \u2014 \uc81c\uc5b4 \ud750\ub984: if, switch, guard, for, while<\/strong>\uc785\ub2c8\ub2e4. Swift\uc758 <code>switch<\/code>\uac00 \ub2e4\ub978 \uc5b8\uc5b4\uc640 \uc5bc\ub9c8\ub098 \ub2e4\ub978\uc9c0, <code>guard<\/code>\uac00 \uc65c \uc874\uc7ac\ud558\ub294\uc9c0\ub97c \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n<blockquote>\n<p>\ud83e\udd16 Generated with <a href=\"https:\/\/claude.ai\/claude-code\">Claude Code<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\uc5ec\ub7ec \uac12\uc744 \ubb36\uc5b4 \ub2e4\ub8e8\ub294 Swift\uc758 \uc138 \uac00\uc9c0 \uceec\ub809\uc158. \uc21c\uc11c\uac00 \ud544\uc694\ud558\uba74 Array, \ud0a4\ub85c \ucc3e\uc73c\uba74 Dictionary, \uc911\ubcf5 \uc5c6\uc774 \ubaa8\uc73c\uba74 Set. for-in \uc21c\ud68c\uc640 map\u00b7filter\u00b7reduce \ub9db\ubcf4\uae30.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1089","post","type-post","status-publish","format-standard","hentry","category-1"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/nangchang.nes.or.kr\/index.php?rest_route=\/wp\/v2\/posts\/1089","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nangchang.nes.or.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nangchang.nes.or.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nangchang.nes.or.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nangchang.nes.or.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1089"}],"version-history":[{"count":0,"href":"https:\/\/nangchang.nes.or.kr\/index.php?rest_route=\/wp\/v2\/posts\/1089\/revisions"}],"wp:attachment":[{"href":"https:\/\/nangchang.nes.or.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nangchang.nes.or.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nangchang.nes.or.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}