{"id":216,"date":"2026-05-14T21:30:56","date_gmt":"2026-05-14T13:30:56","guid":{"rendered":"https:\/\/junai.ai\/blog\/python-strings-4\/"},"modified":"2026-05-17T07:31:12","modified_gmt":"2026-05-16T23:31:12","slug":"python-strings-4","status":"publish","type":"post","link":"https:\/\/junai.ai\/blog\/python-strings-4\/","title":{"rendered":"\ud30c\uc774\uc36c \ubb38\uc790\uc5f4 \ub2e4\ub8e8\uae30 \u2014 \uc2ac\ub77c\uc774\uc2f1\u00b7split\u00b7replace (4\ud3b8)"},"content":{"rendered":"\n<!-- WordPress REST API \ubc1c\ud589\uc6a9 HTML (\uc790\ub3d9 \uc0dd\uc131) -->\n<!-- WP-FEATURED-MEDIA-ID: 583 -->\n<div style=\"max-width:800px;margin:0 auto;\">\n<style>\n\/* js-textbook \u2014 PostgreSQL \uad50\uc7ac \ub3d9\uc77c \ud314\ub808\ud2b8 *\/\n:root {\n  --color-primary: #336791;\n  --color-accent: #60a5fa;\n  --color-bg: #fafafa;\n  --color-bg-card: #ffffff;\n  --color-text: #1e293b;\n  --color-text-muted: #64748b;\n  --hero-start: #0f172a;\n  --hero-end: #336791;\n  --font-body: -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;\n  --size-body: 17px;\n  --line-height: 1.75;\n}\n* { box-sizing: border-box; }\n.container { max-width: 760px; margin: 0 auto; padding: 0 22px 80px; }\n.hero { background: linear-gradient(135deg, var(--hero-start) 0%, var(--hero-end) 100%); color: #fff; padding: 72px 22px 56px; text-align: center; }\n.hero .badge { display: inline-block; background: rgba(96,165,250,0.18); color: var(--color-accent); padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 18px; }\n.hero h1 { margin: 0 0 18px; font-size: 36px; line-height: 1.3; letter-spacing: -0.3px; }\n.hero p.sub { margin: 0 auto; max-width: 580px; font-size: 17px; color: #bfdbfe; }\n.hero img { width: 100%; max-width: 720px; height: auto; margin: 36px auto 0; display: block; border-radius: 10px; box-shadow: 0 8px 32px rgba(0,0,0,0.3); }\n.meta { display: flex; gap: 14px; justify-content: center; margin-top: 20px; font-size: 13px; color: #93c5fd; flex-wrap: wrap; }\n.meta span::before { content: \"\u00b7\"; margin-right: 14px; color: #1e3a8a; }\n.meta span:first-child::before { content: \"\"; margin: 0; }\narticle { background: var(--color-bg-card); margin-top: -36px; padding: 44px 28px; border-radius: 14px; box-shadow: 0 2px 18px rgba(0,0,0,0.06); }\narticle p { margin: 0 0 18px; }\nh2 { font-size: 28px; line-height: 1.35; letter-spacing: -0.3px; margin: 48px 0 18px; padding-bottom: 10px; border-bottom: 2px solid var(--color-primary); }\nh2:first-of-type { margin-top: 8px; }\nh3 { font-size: 21px; line-height: 1.4; margin: 30px 0 12px; color: var(--color-primary); }\ncode { background: #f1f5f9; color: #0f172a; padding: 2px 6px; border-radius: 4px; font-family: 'SFMono-Regular', Menlo, Consolas, monospace; font-size: 0.92em; }\npre { background: #0f172a; color: #e2e8f0; padding: 18px 20px; border-radius: 10px; overflow-x: auto; font-size: 14.5px; line-height: 1.65; margin: 18px 0; }\npre code { background: transparent; color: inherit; padding: 0; }\nul, ol { margin: 0 0 18px; padding-left: 24px; }\nli { margin-bottom: 8px; }\nstrong { color: #0f172a; }\n.databox { background: #eff6ff; border-left: 4px solid var(--color-primary); padding: 18px 20px; border-radius: 6px; margin: 22px 0; }\n.databox p { margin: 0 0 8px; }\n.databox p:last-child { margin: 0; }\n.databox strong { color: var(--color-primary); }\n.warnbox { background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%); border-left: 4px solid #d97706; padding: 18px 20px; border-radius: 6px; margin: 22px 0; }\n.warnbox strong { color: #92400e; }\n.tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 22px 0; }\ntable { width: 100%; border-collapse: collapse; font-size: 15px; background: var(--color-bg-card); }\nth, td { padding: 11px 12px; text-align: left; border-bottom: 1px solid #e2e8f0; vertical-align: top; }\nth { background: #f1f5f9; font-weight: 700; color: #0f172a; }\ntd:first-child, th:first-child { font-weight: 700; }\n.cta { background: linear-gradient(135deg, #336791 0%, #60a5fa 100%); color: #fff; padding: 30px 24px; border-radius: 12px; margin-top: 44px; text-align: center; }\n.cta h3 { color: #fff; margin: 0 0 10px; }\n.cta p { margin: 0; color: #dbeafe; }\n.series-nav { background: #eff6ff; padding: 18px 22px; border-radius: 10px; margin-top: 24px; font-size: 14.5px; color: var(--color-text-muted); }\n.series-nav strong { color: var(--color-primary); }\n@media (max-width: 480px) {\n  .hero { padding: 52px 18px 44px; }\n  .hero h1 { font-size: 26px; }\n  .hero p.sub { font-size: 15px; }\n  article { padding: 28px 18px; border-radius: 10px; }\n  h2 { font-size: 22px; }\n  h3 { font-size: 18px; }\npre { font-size: 13px; padding: 14px 16px; }\n}\n@media (max-width: 560px) {\n  .tablewrap table, .tablewrap thead, .tablewrap tbody, .tablewrap tr, .tablewrap th, .tablewrap td { display: block; width: auto; }\n  .tablewrap thead { display: none; }\n  .tablewrap tr { margin: 0 0 14px; border: 1px solid #e2e8f0; border-radius: 10px; overflow: hidden; }\n  .tablewrap td { border: none; border-bottom: 1px solid #f1f5f9; padding: 9px 14px; }\n  .tablewrap td:first-child { background: #eff6ff; font-weight: 800; font-size: 15.5px; }\n  .tablewrap td:last-child { border-bottom: none; }\n  .tablewrap td[data-label]::before { content: attr(data-label) \" \u2014 \"; font-weight: 700; color: var(--color-primary); }\n}\n<\/style>\n<header class=\"hero\">\n  <span class=\"badge\">\ud30c\uc774\uc36c \uad50\uc7ac \u00b7 4\ud3b8 \/ 27\ud3b8<\/span>\n  <h1>\ud30c\uc774\uc36c \ubb38\uc790\uc5f4 \ub2e4\ub8e8\uae30<\/h1>\n  <p class=\"sub\">\uc2ac\ub77c\uc774\uc2f1\u00b7\uac80\uc0c9\u00b7\uce58\ud658\u00b7split\/join \u2014 \uc785\ubb38\uc790\uac00 \ub9e4\uc77c \uc4f0\ub294 6\uac00\uc9c0 \ud328\ud134.<\/p>\n  <div class=\"meta\"><span>\uc785\ubb38<\/span><span>\uc77d\ub294 \uc2dc\uac04 7\ubd84<\/span><span>2026-05-13<\/span><\/div>\n  <img decoding=\"async\" src=\"https:\/\/junai.ai\/blog\/wp-content\/uploads\/2026\/05\/hero-202.jpg\" alt=\"\ud30c\uc774\uc36c REPL \uc5d0\uc11c \uc2ac\ub77c\uc774\uc2f1\u00b7replace\u00b7split \uc744 \uc2e4\ud589\ud55c \uacb0\uacfc \ud654\uba74\">\n<\/header>\n\n<div class=\"container\">\n<article>\n\n<p>\uc774\uba54\uc77c \ub3c4\uba54\uc778\ub9cc \ubf51\uae30, \uc804\ud654\ubc88\ud638\uc5d0\uc11c \ud558\uc774\ud508 \uc81c\uac70, CSV \ud55c \uc904 \uc798\ub77c \ud544\ub4dc \ubd84\ub9ac \u2014 \uc77c\uc8fc\uc77c \uc548\uc5d0 \ub204\uad6c\ub098 \ub9c8\uc8fc\uce60 \uc791\uc5c5\uc785\ub2c8\ub2e4. \ub3c4\uad6c\ub294 \ub2e4 <strong>\ubb38\uc790\uc5f4 \uba54\uc11c\ub4dc 6\uac00\uc9c0<\/strong> \uc548\uc5d0 \uc788\uc5b4\uc694. \uc815\uaddc\ud45c\ud604\uc2dd\u00b7\uc678\ubd80 \ub77c\uc774\ube0c\ub7ec\ub9ac \uc5c6\uc774\ub3c4 \ud14d\uc2a4\ud2b8 \uc7a1\uc77c 90% \uac00 \ud574\uacb0\ub429\ub2c8\ub2e4. \uc785\ubb38\uc790\uac00 \uac00\uc7a5 \ube68\ub9ac &#8220;\uc2e4\ubb34\ucc98\ub7fc&#8221; \ucf54\ub4dc\ub97c \uc9dc\ub294 \ubd84\uae30\uc810\uc774 \uc774 \ucc55\ud130.<\/p>\n\n<p>4\ud3b8\uc744 \ub9c8\uce58\uba74 \u2460 \uc778\ub371\uc2a4\u00b7\uc2ac\ub77c\uc774\uc2f1\uc73c\ub85c \ubd80\ubd84 \ucd94\ucd9c \u2461 <code>in<\/code> \uc73c\ub85c \uac80\uc0c9, <code>replace<\/code> \ub85c \uce58\ud658 \u2462 <code>split\u00b7join<\/code> \uc73c\ub85c \uc790\ub974\uace0 \ud569\uce58\uae30 \u2463 <code>strip\u00b7upper\u00b7startswith<\/code> \ub4f1 \uc790\uc8fc \uc4f0\ub294 \uba54\uc11c\ub4dc 8\uc885\uc744 \uc190\uc5d0 \uc775\ud799\ub2c8\ub2e4.<\/p>\n\n<h2>\uc2ac\ub77c\uc774\uc2f1 \u2014 \uc778\ub371\uc2a4\uc640 \ubc94\uc704\ub85c \ubd80\ubd84 \ucd94\ucd9c<\/h2>\n\n<p>\ubb38\uc790\uc5f4\uc740 \uae00\uc790\uac00 \uc904\uc9c0\uc5b4 \uc788\ub294 \ubc30\uc5f4\ub85c \uc0dd\uac01\ud558\uba74 \ub429\ub2c8\ub2e4. 0\ubc88\ubd80\ud130 \ubc88\ud638\uac00 \ubd99\uace0, \uc74c\uc218\ub294 \ub4a4\uc5d0\uc11c\ubd80\ud130 \uc149\ub2c8\ub2e4.<\/p>\n\n<pre><code>s = \"Hello, Python!\"\n#    0  1  2  3  4  5  6  7  8  9 10 11 12 13\n#                                   -7 -6 -5 -4 -3 -2 -1\n\ns[0]      # 'H'  \u2014 \uccab \uae00\uc790\ns[-1]     # '!'  \u2014 \ub9c8\uc9c0\ub9c9 \uae00\uc790\ns[7:13]   # 'Python'  \u2014 7\ubc88\ubd80\ud130 12\ubc88\uae4c\uc9c0 (13\uc740 \ubbf8\ud3ec\ud568)\ns[:5]     # 'Hello'   \u2014 \ucc98\uc74c\ubd80\ud130 4\ubc88\uae4c\uc9c0\ns[7:]     # 'Python!' \u2014 7\ubc88\ubd80\ud130 \ub05d\uae4c\uc9c0\ns[::-1]   # '!nohtyP ,olleH' \u2014 \uac70\uafb8\ub85c (1\ud3b8 \ubbf8\uc158 \uac19\uc740 \ud2b8\ub9ad)<\/code><\/pre>\n\n<p>\uc2ac\ub77c\uc774\uc2f1 \ubb38\ubc95\uc740 <strong><code>[\uc2dc\uc791:\ub05d:\uac04\uaca9]<\/code><\/strong>. \ub05d \uc778\ub371\uc2a4\ub294 <em>\ud3ec\ud568\ud558\uc9c0 \uc54a\uc74c<\/em> \uc774 \uac00\uc7a5 \ud5f7\uac08\ub9ac\ub294 \ubd80\ubd84\uc785\ub2c8\ub2e4. <code>s[0:5]<\/code> \uac00 0,1,2,3,4 \ubc88 5\uae00\uc790 \u2014 \ub05d\uc758 5\ubc88\uc740 \uc81c\uc678. \uc774\uac78 \uc54c\uc544\uc57c \ub2e4\uc74c 100\ubc88\uc744 \uc548 \ub9c9\ud600\uc694.<\/p>\n\n<div class=\"databox\">\n  <p><strong>\ud83d\udccc \ud55c\uae00\ub3c4 \ub611\uac19\uc774 \ub3d9\uc791\ud569\ub2c8\ub2e4<\/strong><\/p>\n  <p><code>\"\uc548\ub155\ud558\uc138\uc694\"[0:2]<\/code> \ub294 <code>'\uc548\ub155'<\/code>. \ud30c\uc774\uc36c 3 \ubd80\ud130 \ubaa8\ub4e0 \ubb38\uc790\uc5f4\uc774 \uc720\ub2c8\ucf54\ub4dc \uae30\ubcf8\uc774\ub77c \ud55c\uae00\u00b7\uc774\ubaa8\uc9c0\u00b7\uc77c\ubcf8\uc5b4 \ubaa8\ub450 \ud55c \uae00\uc790 = \uc778\ub371\uc2a4 1\ub85c \uc149\ub2c8\ub2e4. \ud30c\uc774\uc36c 2 \uc2dc\uc808\uc758 \uc778\ucf54\ub529 \uc9c0\uc625\uc740 \uc0ac\ub77c\uc84c\uc5b4\uc694.<\/p>\n<\/div>\n\n<h2>\uac80\uc0c9\uacfc \uce58\ud658 \u2014 in\u00b7find\u00b7replace<\/h2>\n\n<p>\ud2b9\uc815 \ubb38\uc790\uc5f4\uc774 \ub4e4\uc5b4\uc788\ub294\uc9c0 \ud655\uc778\ud558\ub824\uba74 <code>in<\/code> \ud0a4\uc6cc\ub4dc. True\/False \uac00 \ub3cc\uc544\uc635\ub2c8\ub2e4. \uc704\uce58\uae4c\uc9c0 \uc54c\uace0 \uc2f6\uc73c\uba74 <code>find<\/code>, \ubc14\uafd4\uce58\uc6b0\ub824\uba74 <code>replace<\/code>.<\/p>\n\n<pre><code>email = \"jspark@junai.ai\"\n\n\"@\" in email              # True \u2014 \uc874\uc7ac \ud655\uc778\ub9cc\nemail.find(\"@\")           # 6   \u2014 \uccab \ub4f1\uc7a5 \uc778\ub371\uc2a4 (\uc5c6\uc73c\uba74 -1)\nemail.find(\"naver\")       # -1  \u2014 \uc5c6\uc74c\uc744 \uc758\ubbf8\nemail.replace(\"junai\", \"naver\")  # 'jspark@naver.ai'\n\n# \ub3c4\uba54\uc778\ub9cc \ubf51\uae30 \u2014 \uc2ac\ub77c\uc774\uc2f1 + find \uc870\ud569\nat = email.find(\"@\")\ndomain = email[at+1:]     # 'junai.ai'<\/code><\/pre>\n\n<p><code>replace<\/code> \uc758 \ud568\uc815 \u2014 <strong>\uc6d0\ubcf8\uc744 \ubc14\uafb8\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4<\/strong>. \uc0c8 \ubb38\uc790\uc5f4\uc744 \ub9cc\ub4e4\uc5b4 \ub3cc\ub824\uc904 \ubfd0\uc774\uc5d0\uc694. \ubcc0\uacbd\ub41c \uacb0\uacfc\ub97c \uc4f0\ub824\uba74 <code>email = email.replace(...)<\/code> \ucc98\ub7fc \ub2e4\uc2dc \ud560\ub2f9\ud574\uc57c \ud569\ub2c8\ub2e4. <strong>\ubb38\uc790\uc5f4\uc740 \ubd88\ubcc0(immutable)<\/strong> \u2014 \uc774 \uc131\uc9c8\uc774 \ubaa8\ub4e0 \ubb38\uc790\uc5f4 \uba54\uc11c\ub4dc\uc758 \uacf5\ud1b5 \uaddc\uce59\uc785\ub2c8\ub2e4.<\/p>\n\n<h2>\uc790\ub974\uace0 \ud569\uce58\uae30 \u2014 split \uacfc join<\/h2>\n\n<p>CSV \ud55c \uc904\uc744 \ucc98\ub9ac\ud560 \ub54c \uac00\uc7a5 \ub9ce\uc774 \uc4f0\ub294 \ub450 \uc9dd. <code>split<\/code> \uc740 \uad6c\ubd84\uc790\ub85c \uc798\ub77c \ub9ac\uc2a4\ud2b8\ub85c \ub9cc\ub4e4\uace0, <code>join<\/code> \uc740 \ub9ac\uc2a4\ud2b8\ub97c \uad6c\ubd84\uc790\ub85c \uc774\uc5b4 \ubb38\uc790\uc5f4\ub85c \ud569\uce69\ub2c8\ub2e4.<\/p>\n\n<pre><code>row = \"\uc900\uc131,30,\uc11c\uc6b8,\uac1c\ubc1c\uc790\"\n\nfields = row.split(\",\")\n# ['\uc900\uc131', '30', '\uc11c\uc6b8', '\uac1c\ubc1c\uc790']  \u2014 \ub9ac\uc2a4\ud2b8\ub85c 4 \uc870\uac01\n\nlen(fields)     # 4\nfields[0]       # '\uc900\uc131'\nfields[2]       # '\uc11c\uc6b8'\n\n# \ub2e4\uc2dc \ud569\uce58\uae30 (\uad6c\ubd84\uc790\ub9cc \ubc14\uafd4\uc11c)\n\" | \".join(fields)\n# '\uc900\uc131 | 30 | \uc11c\uc6b8 | \uac1c\ubc1c\uc790'<\/code><\/pre>\n\n<p>\uc8fc\uc758 \u2014 <code>\"\uad6c\ubd84\uc790\".join(\ub9ac\uc2a4\ud2b8)<\/code> \uc21c\uc11c\uac00 \uac70\uafb8\ub85c \uac19\uc9c0\ub9cc, <em>&#8220;\uc774 \uad6c\ubd84\uc790\ub85c \ub9ac\uc2a4\ud2b8 \uc0ac\uc774\ub97c \uc774\uc5b4\ub77c&#8221;<\/em> \ub77c\uace0 \uc77d\uc73c\uba74 \uc790\uc5f0\uc2a4\ub7fd\uc2b5\ub2c8\ub2e4. <code>\ub9ac\uc2a4\ud2b8.join(\",\")<\/code> \uc774 \uc544\ub2c8\uc5d0\uc694. \ud30c\uc774\uc36c\uc5d0\uc11c \uc774 \uc21c\uc11c\uac00 \ucc98\uc74c\uc5d4 \uc5b4\uc0c9\ud558\uc9c0\ub9cc, \ud55c \ubc88 \uc775\uc73c\uba74 \ub2e4\ub978 \uc5b8\uc5b4\uac00 \ub2f5\ub2f5\ud558\uac8c \ub290\uaef4\uc9d1\ub2c8\ub2e4.<\/p>\n\n<pre><code># \uc804\ud654\ubc88\ud638 \ud558\uc774\ud508 \uc81c\uac70\nphone = \"010-1234-5678\"\n\"\".join(phone.split(\"-\"))   # '01012345678'\n# \ub610\ub294 \ub354 \uc9e7\uac8c\nphone.replace(\"-\", \"\")       # '01012345678'<\/code><\/pre>\n\n<h2>\uc790\uc8fc \uc4f0\ub294 \uba54\uc11c\ub4dc 8\uc885 \u2014 \ud55c \ud45c\ub85c<\/h2>\n\n<div class=\"tablewrap\">\n<table>\n  <thead>\n    <tr><th>\uba54\uc11c\ub4dc<\/th><th>\ud558\ub294 \uc77c<\/th><th>\uc608\uc2dc<\/th><\/tr>\n  <\/thead>\n  <tbody>\n    <tr><td><code>upper()<\/code><\/td><td data-label=\"\ud558\ub294 \uc77c\">\ub300\ubb38\uc790<\/td><td data-label=\"\uc608\uc2dc\"><code>\"hi\".upper()<\/code> \u2192 <code>'HI'<\/code><\/td><\/tr>\n    <tr><td><code>lower()<\/code><\/td><td data-label=\"\ud558\ub294 \uc77c\">\uc18c\ubb38\uc790<\/td><td data-label=\"\uc608\uc2dc\"><code>\"HI\".lower()<\/code> \u2192 <code>'hi'<\/code><\/td><\/tr>\n    <tr><td><code>strip()<\/code><\/td><td data-label=\"\ud558\ub294 \uc77c\">\uc591\ub05d \uacf5\ubc31 \uc81c\uac70<\/td><td data-label=\"\uc608\uc2dc\"><code>\"  hi  \".strip()<\/code> \u2192 <code>'hi'<\/code><\/td><\/tr>\n    <tr><td><code>startswith()<\/code><\/td><td data-label=\"\ud558\ub294 \uc77c\">\uc2dc\uc791 \uc77c\uce58 \ud655\uc778<\/td><td data-label=\"\uc608\uc2dc\"><code>\"hello\".startswith(\"he\")<\/code> \u2192 <code>True<\/code><\/td><\/tr>\n    <tr><td><code>endswith()<\/code><\/td><td data-label=\"\ud558\ub294 \uc77c\">\ub05d \uc77c\uce58 \ud655\uc778<\/td><td data-label=\"\uc608\uc2dc\"><code>\"a.png\".endswith(\".png\")<\/code> \u2192 <code>True<\/code><\/td><\/tr>\n    <tr><td><code>count()<\/code><\/td><td data-label=\"\ud558\ub294 \uc77c\">\ub4f1\uc7a5 \ud69f\uc218<\/td><td data-label=\"\uc608\uc2dc\"><code>\"banana\".count(\"a\")<\/code> \u2192 <code>3<\/code><\/td><\/tr>\n    <tr><td><code>isdigit()<\/code><\/td><td data-label=\"\ud558\ub294 \uc77c\">\uc804\ubd80 \uc22b\uc790\uc778\uac00<\/td><td data-label=\"\uc608\uc2dc\"><code>\"123\".isdigit()<\/code> \u2192 <code>True<\/code><\/td><\/tr>\n    <tr><td><code>title()<\/code><\/td><td data-label=\"\ud558\ub294 \uc77c\">\ub2e8\uc5b4 \uccab \uae00\uc790 \ub300\ubb38\uc790<\/td><td data-label=\"\uc608\uc2dc\"><code>\"hello world\".title()<\/code> \u2192 <code>'Hello World'<\/code><\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n\n<div class=\"warnbox\">\n  <strong>\u26a0\ufe0f strip \uc758 \ubbf8\ubb18\ud568.<\/strong> <code>strip(\"abc\")<\/code> \ub294 \uc591\ub05d\uc5d0\uc11c <em>abc \uc911 \uc5b4\ub5a4 \uae00\uc790\ub4e0 \ub2e4 \ube7c\ub77c<\/em> \ub294 \uc758\ubbf8\uc9c0 <code>\"abc\"<\/code> \ub77c\ub294 \ub2e8\uc5b4\ub97c \ube7c\ub77c\uac00 \uc544\ub2d9\ub2c8\ub2e4. <code>\"abcXYZabc\".strip(\"abc\")<\/code> = <code>'XYZ'<\/code>. \uc790\uc8fc \ud5f7\uac08\ub824\uc694.\n<\/div>\n\n<h2>\ub9c8\ubb34\ub9ac \u2014 \uba54\uc11c\ub4dc \uccb4\uc774\ub2dd \ud55c \uc904\ub85c \uc7a1\uc77c \ub05d<\/h2>\n\n<p>\uc704 \uba54\uc11c\ub4dc\ub4e4\uc740 \uacb0\uacfc\uac00 \ubaa8\ub450 \ubb38\uc790\uc5f4\uc774\ub77c <strong>\uc810(<code>.<\/code>)\uc73c\ub85c \uacc4\uc18d \uc774\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/strong>. \uc774\uac78 \uba54\uc11c\ub4dc \uccb4\uc774\ub2dd\uc774\ub77c \ubd80\ub974\uace0, \ud55c \uc904\uc5d0 \uc5ec\ub7ec \uc791\uc5c5\uc744 \uc555\ucd95\ud560 \ub54c \uc501\ub2c8\ub2e4.<\/p>\n\n<pre><code># \uc0ac\uc6a9\uc790 \uc785\ub825 \uc815\uc81c: \uacf5\ubc31 \uc81c\uac70 \u2192 \uc18c\ubb38\uc790 \u2192 @ \uc55e\ubd80\ubd84\ub9cc\nuser = \"  JSPARK@JUNAI.AI  \"\nclean_id = user.strip().lower().split(\"@\")[0]\n# 'jspark'<\/code><\/pre>\n\n<p>\uc77d\ub294 \uc21c\uc11c\ub300\ub85c \ub3d9\uc791\uc774 \uc77c\uc5b4\ub0a9\ub2c8\ub2e4. <em>&#8220;\uc591\ub05d \uacf5\ubc31\uc744 \ub5bc\uace0 \u2192 \uc804\uccb4 \uc18c\ubb38\uc790\ub85c \u2192 @ \ub85c \uc798\ub77c \u2192 \uccab \uc870\uac01&#8221;<\/em>. \uc785\ubb38\uc790 \ud55c \ub2ec\uc774\uba74 \uc774 \uc815\ub3c4 \ud55c \uc904\uc740 \uc790\uc5f0\uc2a4\ub7fd\uac8c \uc9ed\ub2c8\ub2e4.<\/p>\n\n<p>\ub2e4\uc74c \ubbf8\uc158 \u2014 REPL \uc5d0\uc11c: \u2460 \ubcf8\uc778 \uc774\uba54\uc77c \uc8fc\uc18c\uc5d0\uc11c \ub3c4\uba54\uc778\ub9cc \ucd94\ucd9c \u2461 <code>\"2026-05-13\"<\/code> \uc5d0\uc11c \uc5f0\u00b7\uc6d4\u00b7\uc77c\uc744 \ub530\ub85c \ubcc0\uc218\uc5d0 \ubd84\ub9ac (\ud78c\ud2b8: split) \u2462 \ud30c\uc77c\uba85 <code>\"report.final.v2.pdf\"<\/code> \uc5d0\uc11c \ud655\uc7a5\uc790\ub9cc (\ud78c\ud2b8: rsplit \ub610\ub294 \ub9c8\uc9c0\ub9c9 \uc810 \uc704\uce58 find).<\/p>\n\n<div class=\"cta\">\n  <h3>\ub2e4\uc74c \ud3b8 \ubbf8\ub9ac\ubcf4\uae30<\/h3>\n  <p>5\ud3b8 \u2014 &#8220;\ud30c\uc774\uc36c \ub9ac\uc2a4\ud2b8&#8221;: \uc5ec\ub7ec \uac12\uc744 \ud55c \ubcc0\uc218\uc5d0 \ub2f4\ub294 \uccab \ubc88\uc9f8 \uc790\ub8cc\uad6c\uc870. \ucd94\uac00\u00b7\uc0ad\uc81c\u00b7\uc815\ub82c\u00b7\uc778\ub371\uc2a4\u00b7\uc2ac\ub77c\uc774\uc2f1\uc774 \ubb38\uc790\uc5f4\uacfc \ud615\uc81c\ucc98\ub7fc \ub2ee\uc558\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div>\n\n<div class=\"series-nav\">\n  <strong>\ud83d\udcda 27\ud3b8 \ud30c\uc774\uc36c \uad50\uc7ac \uc2dc\ub9ac\uc988 \u2014 4\/27\ud3b8<\/strong><br>\n  \u2190 3\ud3b8 &#8220;\ubcc0\uc218\uc640 \uc790\ub8cc\ud615&#8221; \u00b7 \ub2e4\uc74c: 5\ud3b8 &#8220;\ub9ac\uc2a4\ud2b8 \uc0ac\uc6a9\ubc95&#8221;\n<\/div>\n\n<\/article>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\ubb38\uc790\uc5f4 \uc2ac\ub77c\uc774\uc2f1\u00b7in \uac80\uc0c9\u00b7replace \uce58\ud658\u00b7split\/join\u00b7strip \ub4f1 \ub9e4\uc77c \uc4f0\ub294 6\uac00\uc9c0 \ud328\ud134. 27\ud3b8 \ud30c\uc774\uc36c \uad50\uc7ac 4\ud3b8.<\/p>\n","protected":false},"author":1,"featured_media":583,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-216","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/posts\/216","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/comments?post=216"}],"version-history":[{"count":1,"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/posts\/216\/revisions"}],"predecessor-version":[{"id":610,"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/posts\/216\/revisions\/610"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/media\/583"}],"wp:attachment":[{"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/media?parent=216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/categories?post=216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/junai.ai\/blog\/wp-json\/wp\/v2\/tags?post=216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}