{"id":233,"date":"2020-03-15T17:11:34","date_gmt":"2020-03-15T08:11:34","guid":{"rendered":"http:\/\/batmask.dothome.co.kr\/?p=233"},"modified":"2025-09-11T18:41:45","modified_gmt":"2025-09-11T09:41:45","slug":"kotlin-vs-python-not-keyword","status":"publish","type":"post","link":"http:\/\/batmask.net\/index.php\/2020\/03\/15\/233\/","title":{"rendered":"Kotlin vs Python : &#8216;not&#8217; keyword"},"content":{"rendered":"\n<p>\ucf54\ud2c0\ub9b0\ud558\uace0 \ud30c\uc774\uc36c\uc744 \uac19\uc774 \uacf5\ubd80\ud558\uba74\uc11c \ucc28\uc774\uc810\uc744 \ube44\uad50\ud558\ub294\uac74 \ud765\ubbf8\ub86d\ub2e4. \uadfc\ub370, \uc774\uac8c \uc2dc\uac04\uc774 \uc9c0\ub0a0\uc218\ub85d \ub354\uc6b1 \ud5f7\uac08\ub9ac\uae30 \uc2dc\uc791\ud55c\ub2e4. \uadf8\ub798\uc11c \uc9e7\uc9c0\ub9cc \uc0dd\uac01\ub0a0 \ub54c\ub9c8\ub2e4 \uae30\ub85d\ud574 \ub450\ub824\uace0. \uc774\ubc88 \uc8fc\uc81c\ub294 &#8216;not&#8217;.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Kotlin<\/h4>\n\n\n\n<p>\uc77c\ubc18\uc801\uc778 \ube44\uad50\uc5f0\uc0b0\uc790\uc5d0 &#8216;\uac19\uc9c0 \uc54a\ub2e4&#8217;\ub294 \ub458 \ub2e4 \ub3d9\uc77c\ud558\uac8c &#8216;!=&#8217;\uc744 \uc4f4\ub2e4. Kotlin\uc5d0\uc11c\ub294 \uc774\uc640 \ub3d9\uc77c\ud558\uac8c, &#8216;not&#8217;\uc758 \uc758\ubbf8\ub85c &#8216;!'(exclamation mark)\ub97c \uc4f4\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-Roboto-Mono.ttf\" style=\"font-size:clamp(14px, .875rem, 21px);font-family:Code-Pro-Roboto-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#adbac7;--cbp-line-number-width:calc(1 * 0.6 * .875rem);line-height:clamp(20px, 1.25rem, 30px);--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>if (value !in mylist) \n...\nif (obj !is String) \n...<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #F47067\">if<\/span><span style=\"color: #ADBAC7\"> (<\/span><span style=\"color: #F47067\">value<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">!in<\/span><span style=\"color: #ADBAC7\"> mylist) <\/span><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">..<\/span><span style=\"color: #ADBAC7\">.<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">if<\/span><span style=\"color: #ADBAC7\"> (obj <\/span><span style=\"color: #F47067\">!is<\/span><span style=\"color: #ADBAC7\"> String) <\/span><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">..<\/span><span style=\"color: #ADBAC7\">.<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>\uc704\uc758 \uc608\uc81c\uc640 \uac19\uc740\uc2dd\uc774\ub2e4. &#8216;not&#8217;\uc740 <a href=\"https:\/\/kotlinlang.org\/docs\/reference\/keyword-reference.html\">Kotlin \ud0a4\uc6cc\ub4dc<\/a>\uc5d0 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294\ub2e4. operator\ub97c overloading \ud560 \ub54c\ub9cc \ub2e4\uc74c\uacfc \uac19\uc774 \uc4f8 \ubfd0.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-Roboto-Mono.ttf\" style=\"font-size:clamp(14px, .875rem, 21px);font-family:Code-Pro-Roboto-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#adbac7;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:clamp(20px, 1.25rem, 30px);--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>class MyValue(var value: Int = 0){\n    operator fun not(): MyValue {\n        value *= (-1)\n        return this\n    }\n\n    override fun toString(): String {\n        return value.toString()\n    }\n}\n\n\nfun main(args: Array&lt;String>){\n    val myvalue = MyValue(10)\n    println(myvalue)\n    println(!myvalue)\n\n}<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #F47067\">class<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F69D50\">MyValue<\/span><span style=\"color: #ADBAC7\">(<\/span><span style=\"color: #F47067\">var<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">value<\/span><span style=\"color: #ADBAC7\">: <\/span><span style=\"color: #F69D50\">Int<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">=<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #6CB6FF\">0<\/span><span style=\"color: #ADBAC7\">){<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">    <\/span><span style=\"color: #F47067\">operator<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">fun<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #DCBDFB\">not<\/span><span style=\"color: #ADBAC7\">(): <\/span><span style=\"color: #F69D50\">MyValue<\/span><span style=\"color: #ADBAC7\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">        <\/span><span style=\"color: #F47067\">value<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">*=<\/span><span style=\"color: #ADBAC7\"> (<\/span><span style=\"color: #F47067\">-<\/span><span style=\"color: #6CB6FF\">1<\/span><span style=\"color: #ADBAC7\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">        <\/span><span style=\"color: #F47067\">return<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #6CB6FF\">this<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">    }<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">    <\/span><span style=\"color: #F47067\">override<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">fun<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #DCBDFB\">toString<\/span><span style=\"color: #ADBAC7\">(): <\/span><span style=\"color: #F69D50\">String<\/span><span style=\"color: #ADBAC7\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">        <\/span><span style=\"color: #F47067\">return<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">value<\/span><span style=\"color: #ADBAC7\">.<\/span><span style=\"color: #DCBDFB\">toString<\/span><span style=\"color: #ADBAC7\">()<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">    }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">fun<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #DCBDFB\">main<\/span><span style=\"color: #ADBAC7\">(args: <\/span><span style=\"color: #F69D50\">Array<\/span><span style=\"color: #ADBAC7\">&lt;<\/span><span style=\"color: #F69D50\">String<\/span><span style=\"color: #ADBAC7\">&gt;){<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">    <\/span><span style=\"color: #F47067\">val<\/span><span style=\"color: #ADBAC7\"> myvalue <\/span><span style=\"color: #F47067\">=<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #DCBDFB\">MyValue<\/span><span style=\"color: #ADBAC7\">(<\/span><span style=\"color: #6CB6FF\">10<\/span><span style=\"color: #ADBAC7\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">    <\/span><span style=\"color: #DCBDFB\">println<\/span><span style=\"color: #ADBAC7\">(myvalue)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">    <\/span><span style=\"color: #DCBDFB\">println<\/span><span style=\"color: #ADBAC7\">(<\/span><span style=\"color: #F47067\">!<\/span><span style=\"color: #ADBAC7\">myvalue)<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-Roboto-Mono.ttf\" style=\"font-size:clamp(14px, .875rem, 21px);font-family:Code-Pro-Roboto-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#adbac7;--cbp-line-number-width:calc(1 * 0.6 * .875rem);line-height:clamp(20px, 1.25rem, 30px);--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>10\n-10<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #6CB6FF\">10<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">-<\/span><span style=\"color: #6CB6FF\">10<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>\uc624\ubc84\ub85c\ub529\uc5d0 \ub9ac\ud134\uac12\uc740 \uc911\uc694\ud558\uc9c0 \uc54a\uace0, unary operator\uc774\ubbc0\ub85c \uc5b4\ub5a4 \ud0c0\uc785\uc73c\ub85c \ub9ac\ud134\ud560\uc9c0\ub294 \uc790\uc720\ub2e4. <\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Python<\/h4>\n\n\n\n<p>\ud30c\uc774\uc36c\uc5d0\uc11c\ub294 &#8216;!=&#8217; \uc5f0\uc0b0\uc790\ub97c \ube7c\uace0\ub294 &#8216;!&#8217;\ub97c \uc4f0\uc9c0 \uc54a\ub294\ub2e4. \uc774\uc5d0 \ud574\ub2f9\ud558\ub294 \ud0a4\uc6cc\ub4dc\ub294 &#8216;not&#8217;\uc774\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-Roboto-Mono.ttf\" style=\"font-size:clamp(14px, .875rem, 21px);font-family:Code-Pro-Roboto-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#adbac7;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:clamp(20px, 1.25rem, 30px);--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>mylist = &#91;10, 20, 30&#93;\na = 10\nb = a\nc = 40\n\nprint(b is a)\nprint(b is not a)\n\nif c not in mylist:\n    print(\"a is not in mylist\")\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #ADBAC7\">mylist <\/span><span style=\"color: #F47067\">=<\/span><span style=\"color: #ADBAC7\"> &#91;<\/span><span style=\"color: #6CB6FF\">10<\/span><span style=\"color: #ADBAC7\">, <\/span><span style=\"color: #6CB6FF\">20<\/span><span style=\"color: #ADBAC7\">, <\/span><span style=\"color: #6CB6FF\">30<\/span><span style=\"color: #ADBAC7\">&#93;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">a <\/span><span style=\"color: #F47067\">=<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #6CB6FF\">10<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">b <\/span><span style=\"color: #F47067\">=<\/span><span style=\"color: #ADBAC7\"> a<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">c <\/span><span style=\"color: #F47067\">=<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #6CB6FF\">40<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6CB6FF\">print<\/span><span style=\"color: #ADBAC7\">(b <\/span><span style=\"color: #F47067\">is<\/span><span style=\"color: #ADBAC7\"> a)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6CB6FF\">print<\/span><span style=\"color: #ADBAC7\">(b <\/span><span style=\"color: #F47067\">is<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">not<\/span><span style=\"color: #ADBAC7\"> a)<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F47067\">if<\/span><span style=\"color: #ADBAC7\"> c <\/span><span style=\"color: #F47067\">not<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">in<\/span><span style=\"color: #ADBAC7\"> mylist:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">    <\/span><span style=\"color: #6CB6FF\">print<\/span><span style=\"color: #ADBAC7\">(<\/span><span style=\"color: #96D0FF\">&quot;a is not in mylist&quot;<\/span><span style=\"color: #ADBAC7\">)<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-Roboto-Mono.ttf\" style=\"font-size:clamp(14px, .875rem, 21px);font-family:Code-Pro-Roboto-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#adbac7;--cbp-line-number-width:calc(1 * 0.6 * .875rem);line-height:clamp(20px, 1.25rem, 30px);--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#22272e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#adbac7;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>True\nFalse\na is not in mylist<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark-dimmed\" style=\"background-color: #22272e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #6CB6FF\">True<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6CB6FF\">False<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ADBAC7\">a <\/span><span style=\"color: #F47067\">is<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">not<\/span><span style=\"color: #ADBAC7\"> <\/span><span style=\"color: #F47067\">in<\/span><span style=\"color: #ADBAC7\"> mylist<\/span><\/span><\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\ucf54\ud2c0\ub9b0\ud558\uace0 \ud30c\uc774\uc36c\uc744 \uac19\uc774 \uacf5\ubd80\ud558\uba74\uc11c \ucc28\uc774\uc810\uc744 \ube44\uad50\ud558\ub294\uac74 \ud765\ubbf8\ub86d\ub2e4. \uadfc\ub370, \uc774\uac8c \uc2dc\uac04\uc774 \uc9c0\ub0a0\uc218\ub85d \ub354\uc6b1 \ud5f7\uac08\ub9ac\uae30 \uc2dc\uc791\ud55c\ub2e4. \uadf8\ub798\uc11c \uc9e7\uc9c0\ub9cc \uc0dd\uac01\ub0a0 \ub54c\ub9c8\ub2e4 \uae30\ub85d\ud574 \ub450\ub824\uace0. \uc774\ubc88 \uc8fc\uc81c\ub294 &#8216;not&#8217;. Kotlin \uc77c\ubc18\uc801\uc778 \ube44\uad50\uc5f0\uc0b0\uc790\uc5d0 &#8216;\uac19\uc9c0 \uc54a\ub2e4&#8217;\ub294 \ub458 \ub2e4 \ub3d9\uc77c\ud558\uac8c &#8216;!=&#8217;\uc744 \uc4f4\ub2e4. Kotlin\uc5d0\uc11c\ub294 \uc774\uc640 \ub3d9\uc77c\ud558\uac8c, &#8216;not&#8217;\uc758 \uc758\ubbf8\ub85c &#8216;!'(exclamation mark)\ub97c \uc4f4\ub2e4. \uc704\uc758 \uc608\uc81c\uc640 \uac19\uc740\uc2dd\uc774\ub2e4. &#8216;not&#8217;\uc740 Kotlin \ud0a4\uc6cc\ub4dc\uc5d0 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294\ub2e4. operator\ub97c overloading \ud560 \ub54c\ub9cc \ub2e4\uc74c\uacfc \uac19\uc774 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34,33],"tags":[82,83,40,38,81,35,84,139,41,55],"class_list":["post-233","post","type-post","status-publish","format-standard","hentry","category-kotlin","category-python","tag-82","tag-difference","tag-keyword","tag-kotlin","tag-not","tag-python","tag-vs","tag-difference-kr","tag-kotlin-kr","tag-python-kr"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/posts\/233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/comments?post=233"}],"version-history":[{"count":2,"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/posts\/233\/revisions"}],"predecessor-version":[{"id":3452,"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/posts\/233\/revisions\/3452"}],"wp:attachment":[{"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/media?parent=233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/categories?post=233"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/tags?post=233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}