{"id":24194,"date":"2021-10-14T09:17:50","date_gmt":"2021-10-14T03:47:50","guid":{"rendered":"https:\/\/python-programs.com\/?p=24194"},"modified":"2021-11-05T20:55:23","modified_gmt":"2021-11-05T15:25:23","slug":"python-program-for-isnan-function","status":"publish","type":"post","link":"https:\/\/python-programs.com\/python-program-for-isnan-function\/","title":{"rendered":"Python Program for isnan() Function"},"content":{"rendered":"<p>In the previous article, we have discussed <a href=\"https:\/\/python-programs.com\/python-program-for-isinf-function\/\">Python Program for isinf() Function<\/a><br \/>\n<strong>isnan() Function in Python:<\/strong><\/p>\n<p>The math.isnan() method determines whether a value is NaN (Not a Number).<\/p>\n<p>If the specified value is a NaN, this method returns true; otherwise, it returns False.<\/p>\n<p><strong>Syntax:<\/strong><\/p>\n<pre>math.isnan(x)<\/pre>\n<p><strong>parameters:<\/strong><\/p>\n<p><strong>x:<\/strong> This is required. It is a value to be checked.<\/p>\n<p><strong>Return Value: <\/strong>It returns a boolean value that is True if the value is NaN and False otherwise.<\/p>\n<p><strong>Examples:<\/strong><\/p>\n<p><strong>Example1:<\/strong><\/p>\n<p><strong>Input:<\/strong><\/p>\n<pre>Given Value = -200.02\r\nGiven Value = 500\r\nGiven Value = math.nan\r\nGiven Value = math.inf\r\nGiven Value = NaN<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">False\r\nFalse\r\nTrue\r\nFalse\r\nTrue<\/pre>\n<p><strong>Example2:<\/strong><\/p>\n<p><strong>Input:<\/strong><\/p>\n<pre>Given Value = -850.07\r\nGiven Value =  nan<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">False\r\nTrue<\/pre>\n<h2>Program for isnan() Function in Python<\/h2>\n<ul>\n<li><a href=\"#Using_Built-in_Functions_(Static_Input)\">Using Built-in Functions (Static Input)<\/a><\/li>\n<li><a href=\"#Using_Built-in_Functions_(User_Input)\">Using Built-in Functions (User Input)<\/a><\/li>\n<\/ul>\n<h3 id=\"Using_Built-in_Functions_(Static_Input)\">Method #1: Using Built-in Functions (Static Input)<\/h3>\n<p><strong>Approach:<\/strong><\/p>\n<ul>\n<li>Import math module using the import keyword.<\/li>\n<li>Give the number as static input and store it in a variable.<\/li>\n<li>Apply math.isnan() function to the given number to check if the given number is NaN(Not a Number) or not.<\/li>\n<li>Store it in another variable.<\/li>\n<li>Print the above result.<\/li>\n<li>Similarly, check for the other values and print the result.<\/li>\n<li>The Exit of Program.<\/li>\n<\/ul>\n<p><strong>Below is the implementation:<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\"># Import math module using the import keyword.\r\nimport math\r\n# Give the number as static input and store it in a variable.\r\ngvn_numb = -200.02\r\n# Apply math.isnan() function to the given number to check if the given number\r\n# is NaN(Not a Number) or not.\r\n# Store it in another variable.\r\nrslt = math.isnan(gvn_numb)\r\n# print the above result.\r\nprint(\"Checking if the above given number\",\r\n      gvn_numb, \"is NaN or not :\", rslt)\r\n# similarly check for the other values and print the result.\r\nprint(math.isnan(500))\r\nprint(math.isnan(math.nan))\r\nprint(math.isnan(math.inf))\r\nprint(math.isnan(float('NaN')))\r\n<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">Checking if the above given number -200.02 is NaN or not : False\r\nFalse\r\nTrue\r\nFalse\r\nTrue<\/pre>\n<h3 id=\"Using_Built-in_Functions_(User_Input)\">Method #2: Using Built-in Functions (User Input)<\/h3>\n<p><strong>Approach:<\/strong><\/p>\n<ul>\n<li>Import math module using the import keyword.<\/li>\n<li>Give the number as user input using the float(input()) function and store it in a variable.<\/li>\n<li>Apply math.isnan() function to the given number to check if the given number is NaN(Not a Number) or not.<\/li>\n<li>Store it in another variable.<\/li>\n<li>Print the above result.<\/li>\n<li>Similarly, check for the other values and print the result.<\/li>\n<li>The Exit of Program.<\/li>\n<\/ul>\n<p><strong>Below is the implementation:<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\"># Import math module using the import keyword.\r\nimport math\r\n# Give the number as user input using the float(input()) function and store it in a variable.\r\ngvn_numb = float(input('Enter some random number = '))\r\n# Apply math.isnan() function to the given number to check if the given number\r\n# is NaN(Not a Number) or not.\r\n# Store it in another variable.\r\nrslt = math.isnan(gvn_numb)\r\n# print the above result.\r\nprint(\"Checking if the above given number\",\r\n      gvn_numb, \"is NaN or not :\", rslt)\r\n# similarly check for the other values\r\nb = input('Enter some random value = ')\r\nprint(math.isnan(float(b)))<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre>Enter some random number = 380.0006\r\nChecking if the above given number 380.0006 is NaN or not : False\r\nEnter some random value = nan\r\nTrue<\/pre>\n<p>Read all the mathematical functions available in Python and understand how to implement them in your program by using the tutorial of <a href=\"https:\/\/python-programs.com\/python-built-in-functions\/#Python_Mathematical_Methods_Examples\">Python Mathematical Methods Examples<\/a>.<\/p>\n<ul>\n<li><a href=\"https:\/\/python-programs.com\/python-program-for-trunc-function\/\">Python trunc() Function with Examples<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-program-for-modf-function\/\">Python modf() Function with Examples<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-program-for-exp-function\/\">Python exp() Function with Examples<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-program-for-expm1-function\/\">Python expm1() Function with Examples<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In the previous article, we have discussed Python Program for isinf() Function isnan() Function in Python: The math.isnan() method determines whether a value is NaN (Not a Number). If the specified value is a NaN, this method returns true; otherwise, it returns False. Syntax: math.isnan(x) parameters: x: This is required. It is a value to &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/python-programs.com\/python-program-for-isnan-function\/\"> <span class=\"screen-reader-text\">Python Program for isnan() Function<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python Program for isnan() Function - Python Programs<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/python-programs.com\/python-program-for-isnan-function\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python Program for isnan() Function - Python Programs\" \/>\n<meta property=\"og:description\" content=\"In the previous article, we have discussed Python Program for isinf() Function isnan() Function in Python: The math.isnan() method determines whether a value is NaN (Not a Number). If the specified value is a NaN, this method returns true; otherwise, it returns False. Syntax: math.isnan(x) parameters: x: This is required. It is a value to &hellip; Python Program for isnan() Function Read More &raquo;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/python-programs.com\/python-program-for-isnan-function\/\" \/>\n<meta property=\"og:site_name\" content=\"Python Programs\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/btechgeeks\" \/>\n<meta property=\"article:published_time\" content=\"2021-10-14T03:47:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-11-05T15:25:23+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@btech_geeks\" \/>\n<meta name=\"twitter:site\" content=\"@btech_geeks\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Vikram Chiluka\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/python-programs.com\/#organization\",\"name\":\"BTech Geeks\",\"url\":\"https:\/\/python-programs.com\/\",\"sameAs\":[\"https:\/\/www.instagram.com\/btechgeeks\/\",\"https:\/\/www.linkedin.com\/in\/btechgeeks\",\"https:\/\/in.pinterest.com\/btechgeek\/\",\"https:\/\/www.youtube.com\/channel\/UC9MlCqdJ3lKqz2p5114SDIg\",\"https:\/\/www.facebook.com\/btechgeeks\",\"https:\/\/twitter.com\/btech_geeks\"],\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/python-programs.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/python-programs.com\/wp-content\/uploads\/2020\/11\/BTechGeeks.png\",\"contentUrl\":\"https:\/\/python-programs.com\/wp-content\/uploads\/2020\/11\/BTechGeeks.png\",\"width\":350,\"height\":70,\"caption\":\"BTech Geeks\"},\"image\":{\"@id\":\"https:\/\/python-programs.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/python-programs.com\/#website\",\"url\":\"https:\/\/python-programs.com\/\",\"name\":\"Python Programs\",\"description\":\"Python Programs with Examples, How To Guides on Python\",\"publisher\":{\"@id\":\"https:\/\/python-programs.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/python-programs.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/python-programs.com\/python-program-for-isnan-function\/#webpage\",\"url\":\"https:\/\/python-programs.com\/python-program-for-isnan-function\/\",\"name\":\"Python Program for isnan() Function - Python Programs\",\"isPartOf\":{\"@id\":\"https:\/\/python-programs.com\/#website\"},\"datePublished\":\"2021-10-14T03:47:50+00:00\",\"dateModified\":\"2021-11-05T15:25:23+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/python-programs.com\/python-program-for-isnan-function\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/python-programs.com\/python-program-for-isnan-function\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/python-programs.com\/python-program-for-isnan-function\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/python-programs.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Python Program for isnan() Function\"}]},{\"@type\":\"Article\",\"@id\":\"https:\/\/python-programs.com\/python-program-for-isnan-function\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/python-programs.com\/python-program-for-isnan-function\/#webpage\"},\"author\":{\"@id\":\"https:\/\/python-programs.com\/#\/schema\/person\/fb109fd98e2d5a15fd4dac9970797602\"},\"headline\":\"Python Program for isnan() Function\",\"datePublished\":\"2021-10-14T03:47:50+00:00\",\"dateModified\":\"2021-11-05T15:25:23+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/python-programs.com\/python-program-for-isnan-function\/#webpage\"},\"wordCount\":304,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/python-programs.com\/#organization\"},\"articleSection\":[\"Python\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/python-programs.com\/python-program-for-isnan-function\/#respond\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/python-programs.com\/#\/schema\/person\/fb109fd98e2d5a15fd4dac9970797602\",\"name\":\"Vikram Chiluka\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/python-programs.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c56c77f578d45de43af6feb443618ed7?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c56c77f578d45de43af6feb443618ed7?s=96&d=mm&r=g\",\"caption\":\"Vikram Chiluka\"},\"url\":\"https:\/\/python-programs.com\/author\/vikram\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Python Program for isnan() Function - Python Programs","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/python-programs.com\/python-program-for-isnan-function\/","og_locale":"en_US","og_type":"article","og_title":"Python Program for isnan() Function - Python Programs","og_description":"In the previous article, we have discussed Python Program for isinf() Function isnan() Function in Python: The math.isnan() method determines whether a value is NaN (Not a Number). If the specified value is a NaN, this method returns true; otherwise, it returns False. Syntax: math.isnan(x) parameters: x: This is required. It is a value to &hellip; Python Program for isnan() Function Read More &raquo;","og_url":"https:\/\/python-programs.com\/python-program-for-isnan-function\/","og_site_name":"Python Programs","article_publisher":"https:\/\/www.facebook.com\/btechgeeks","article_published_time":"2021-10-14T03:47:50+00:00","article_modified_time":"2021-11-05T15:25:23+00:00","twitter_card":"summary_large_image","twitter_creator":"@btech_geeks","twitter_site":"@btech_geeks","twitter_misc":{"Written by":"Vikram Chiluka","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Organization","@id":"https:\/\/python-programs.com\/#organization","name":"BTech Geeks","url":"https:\/\/python-programs.com\/","sameAs":["https:\/\/www.instagram.com\/btechgeeks\/","https:\/\/www.linkedin.com\/in\/btechgeeks","https:\/\/in.pinterest.com\/btechgeek\/","https:\/\/www.youtube.com\/channel\/UC9MlCqdJ3lKqz2p5114SDIg","https:\/\/www.facebook.com\/btechgeeks","https:\/\/twitter.com\/btech_geeks"],"logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/python-programs.com\/#\/schema\/logo\/image\/","url":"https:\/\/python-programs.com\/wp-content\/uploads\/2020\/11\/BTechGeeks.png","contentUrl":"https:\/\/python-programs.com\/wp-content\/uploads\/2020\/11\/BTechGeeks.png","width":350,"height":70,"caption":"BTech Geeks"},"image":{"@id":"https:\/\/python-programs.com\/#\/schema\/logo\/image\/"}},{"@type":"WebSite","@id":"https:\/\/python-programs.com\/#website","url":"https:\/\/python-programs.com\/","name":"Python Programs","description":"Python Programs with Examples, How To Guides on Python","publisher":{"@id":"https:\/\/python-programs.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/python-programs.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/python-programs.com\/python-program-for-isnan-function\/#webpage","url":"https:\/\/python-programs.com\/python-program-for-isnan-function\/","name":"Python Program for isnan() Function - Python Programs","isPartOf":{"@id":"https:\/\/python-programs.com\/#website"},"datePublished":"2021-10-14T03:47:50+00:00","dateModified":"2021-11-05T15:25:23+00:00","breadcrumb":{"@id":"https:\/\/python-programs.com\/python-program-for-isnan-function\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/python-programs.com\/python-program-for-isnan-function\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/python-programs.com\/python-program-for-isnan-function\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/python-programs.com\/"},{"@type":"ListItem","position":2,"name":"Python Program for isnan() Function"}]},{"@type":"Article","@id":"https:\/\/python-programs.com\/python-program-for-isnan-function\/#article","isPartOf":{"@id":"https:\/\/python-programs.com\/python-program-for-isnan-function\/#webpage"},"author":{"@id":"https:\/\/python-programs.com\/#\/schema\/person\/fb109fd98e2d5a15fd4dac9970797602"},"headline":"Python Program for isnan() Function","datePublished":"2021-10-14T03:47:50+00:00","dateModified":"2021-11-05T15:25:23+00:00","mainEntityOfPage":{"@id":"https:\/\/python-programs.com\/python-program-for-isnan-function\/#webpage"},"wordCount":304,"commentCount":0,"publisher":{"@id":"https:\/\/python-programs.com\/#organization"},"articleSection":["Python"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/python-programs.com\/python-program-for-isnan-function\/#respond"]}]},{"@type":"Person","@id":"https:\/\/python-programs.com\/#\/schema\/person\/fb109fd98e2d5a15fd4dac9970797602","name":"Vikram Chiluka","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/python-programs.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c56c77f578d45de43af6feb443618ed7?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c56c77f578d45de43af6feb443618ed7?s=96&d=mm&r=g","caption":"Vikram Chiluka"},"url":"https:\/\/python-programs.com\/author\/vikram\/"}]}},"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/posts\/24194"}],"collection":[{"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/comments?post=24194"}],"version-history":[{"count":4,"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/posts\/24194\/revisions"}],"predecessor-version":[{"id":25312,"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/posts\/24194\/revisions\/25312"}],"wp:attachment":[{"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/media?parent=24194"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/categories?post=24194"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/tags?post=24194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}