{"id":25353,"date":"2021-11-10T09:38:07","date_gmt":"2021-11-10T04:08:07","guid":{"rendered":"https:\/\/python-programs.com\/?p=25353"},"modified":"2021-11-10T09:38:07","modified_gmt":"2021-11-10T04:08:07","slug":"python-math-log2-method-with-examples","status":"publish","type":"post","link":"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/","title":{"rendered":"Python math.log2() Method with Examples"},"content":{"rendered":"<p><strong>math.log2() Method in Python:<\/strong><\/p>\n<p>The math.log2() method returns a number&#8217;s base-2 logarithm.<\/p>\n<p><strong>Syntax:<\/strong><\/p>\n<pre>math.log2(x)<\/pre>\n<p><strong>Parameters<\/strong><\/p>\n<p><strong>x:<\/strong> This is Required. Specifies the value for which the logarithm should be calculated.<\/p>\n<ul>\n<li>If the value is 0 or a negative number, a ValueError is returned.<\/li>\n<li>If the value is not a number, a TypeError is returned.<\/li>\n<\/ul>\n<p><strong>Return Value:<\/strong><\/p>\n<p>Returns a float value that represents a number&#8217;s base-2 logarithm.<\/p>\n<p><strong>Examples:<\/strong><\/p>\n<p><strong>Example1:<\/strong><\/p>\n<p><strong>Input:<\/strong><\/p>\n<pre>Given Number = 4\r\nGiven List = [2, 3.5, 4, 5.62, 1]<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">The base-2 logarithm of a given number { 4 } = 2.0\r\nThe base-2 logarithm of a list element gvn_lst[1] = 1.8073549220576042<\/pre>\n<p><strong>Example2:<\/strong><\/p>\n<p><strong>Input:<\/strong><\/p>\n<pre>Given Number = 5.56\r\nGiven List = [4, 5, 2, 1, 6]<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre>The base-2 logarithm of a given number { 5.56 } = 2.475084882948783\r\nThe base-2 logarithm of a list element gvn_lst[2] = 1.0<\/pre>\n<h2>math.log2() Method with Examples 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 list as static input and store it in a variable.<\/li>\n<li>Give the number as static input and store it in another variable.<\/li>\n<li>Apply math.log2() method to the given number to get base-2 logarithm of a given number.<\/li>\n<li>Store it in another variable.<\/li>\n<li>Print the above result.<\/li>\n<li>Apply math.log2() method to the given list to get base-2 logarithm of a list element.<\/li>\n<li>Store it in another variable.<\/li>\n<li>Print the base-2 logarithm of a given list element.<\/li>\n<li>The Exit of the 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 list as static input and store it in a variable.\r\ngvn_lst = [2, 3.5, 4, 5.62, 1]\r\n# Give the number as static input and store it in another variable.\r\ngvn_numb = 4\r\n# Apply math.log2() method to the given number to get base-2 logarithm of a\r\n# given number.\r\n# Store it in another variable.\r\nrslt1 = math.log2(gvn_numb)\r\n# Print the above result.\r\nprint(\"The base-2 logarithm of a given number {\", gvn_numb, \"} =\", rslt1)\r\n# Apply math.log2() method to the given list to get base-2 logarithm of a list\r\n# element.\r\n# Store it in another variable.\r\nrslt2 = math.log2(gvn_lst[1])\r\n# Print the base-2 logarithm of a given listelement.\r\nprint(\"The base-2 logarithm of a list element gvn_lst[1] =\", rslt2)\r\n<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">The base-2 logarithm of a given number { 4 } = 2.0\r\nThe base-2 logarithm of a list element gvn_lst[1] = 1.8073549220576042<\/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 list as user input using list(),map(),input(),and split() functions.<\/li>\n<li>Store it in a variable.<\/li>\n<li>Give the number as user input using the float(input()) function and store it in another variable.<\/li>\n<li>Apply math.log2() method to the given number to get base-2 logarithm of a given number.<\/li>\n<li>Store it in another variable.<\/li>\n<li>Print the above result.<\/li>\n<li>Apply math.log2() method to the given list to get base-2 logarithm of a list element.<\/li>\n<li>Store it in another variable.<\/li>\n<li>Print the base-2 logarithm of a given list element.<\/li>\n<li>The Exit of the 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 list as user input using list(),map(),input(),and split() functions.\r\n# Store it in a variable.\r\ngvn_lst = list(map(int, input(\r\n   'Enter some random List Elements separated by spaces = ').split()))\r\n# Give the number as user input using the float(input()) function and \r\n# store it in another variable.\r\ngvn_numb = float(input(\"Enter some random number = \"))\r\n# Apply math.log2() method to the given number to get base-2 logarithm of a\r\n# given number.\r\n# Store it in another variable.\r\nrslt1 = math.log2(gvn_numb)\r\n# Print the above result.\r\nprint(\"The base-2 logarithm of a given number {\", gvn_numb, \"} =\", rslt1)\r\n# Apply math.log2() method to the given list to get base-2 logarithm of a list\r\n# element.\r\n# Store it in another variable.\r\nrslt2 = math.log2(gvn_lst[2])\r\n# Print the base-2 logarithm of a given list element.\r\nprint(\"The base-2 logarithm of a list element gvn_lst[2] =\", rslt2)\r\n<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre>Enter some random List Elements separated by spaces = 4 5 2 1 6\r\nEnter some random number = 5.56\r\nThe base-2 logarithm of a given number { 5.56 } = 2.475084882948783\r\nThe base-2 logarithm of a list element gvn_lst[2] = 1.0<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>math.log2() Method in Python: The math.log2() method returns a number&#8217;s base-2 logarithm. Syntax: math.log2(x) Parameters x: This is Required. Specifies the value for which the logarithm should be calculated. If the value is 0 or a negative number, a ValueError is returned. If the value is not a number, a TypeError is returned. Return Value: &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/\"> <span class=\"screen-reader-text\">Python math.log2() Method with Examples<\/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 math.log2() Method with Examples - 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-math-log2-method-with-examples\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python math.log2() Method with Examples - Python Programs\" \/>\n<meta property=\"og:description\" content=\"math.log2() Method in Python: The math.log2() method returns a number&#8217;s base-2 logarithm. Syntax: math.log2(x) Parameters x: This is Required. Specifies the value for which the logarithm should be calculated. If the value is 0 or a negative number, a ValueError is returned. If the value is not a number, a TypeError is returned. Return Value: &hellip; Python math.log2() Method with Examples Read More &raquo;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/\" \/>\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=\"2021-11-10T04:08:07+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=\"4 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-math-log2-method-with-examples\/#webpage\",\"url\":\"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/\",\"name\":\"Python math.log2() Method with Examples - Python Programs\",\"isPartOf\":{\"@id\":\"https:\/\/python-programs.com\/#website\"},\"datePublished\":\"2021-11-10T04:08:07+00:00\",\"dateModified\":\"2021-11-10T04:08:07+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/python-programs.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Python math.log2() Method with Examples\"}]},{\"@type\":\"Article\",\"@id\":\"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/#webpage\"},\"author\":{\"@id\":\"https:\/\/python-programs.com\/#\/schema\/person\/fb109fd98e2d5a15fd4dac9970797602\"},\"headline\":\"Python math.log2() Method with Examples\",\"datePublished\":\"2021-11-10T04:08:07+00:00\",\"dateModified\":\"2021-11-10T04:08:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/#webpage\"},\"wordCount\":312,\"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-math-log2-method-with-examples\/#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 math.log2() Method with Examples - 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-math-log2-method-with-examples\/","og_locale":"en_US","og_type":"article","og_title":"Python math.log2() Method with Examples - Python Programs","og_description":"math.log2() Method in Python: The math.log2() method returns a number&#8217;s base-2 logarithm. Syntax: math.log2(x) Parameters x: This is Required. Specifies the value for which the logarithm should be calculated. If the value is 0 or a negative number, a ValueError is returned. If the value is not a number, a TypeError is returned. Return Value: &hellip; Python math.log2() Method with Examples Read More &raquo;","og_url":"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/","og_site_name":"Python Programs","article_publisher":"https:\/\/www.facebook.com\/btechgeeks","article_published_time":"2021-11-10T04:08:07+00:00","twitter_card":"summary_large_image","twitter_creator":"@btech_geeks","twitter_site":"@btech_geeks","twitter_misc":{"Written by":"Vikram Chiluka","Est. reading time":"4 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-math-log2-method-with-examples\/#webpage","url":"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/","name":"Python math.log2() Method with Examples - Python Programs","isPartOf":{"@id":"https:\/\/python-programs.com\/#website"},"datePublished":"2021-11-10T04:08:07+00:00","dateModified":"2021-11-10T04:08:07+00:00","breadcrumb":{"@id":"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/python-programs.com\/python-math-log2-method-with-examples\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/python-programs.com\/"},{"@type":"ListItem","position":2,"name":"Python math.log2() Method with Examples"}]},{"@type":"Article","@id":"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/#article","isPartOf":{"@id":"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/#webpage"},"author":{"@id":"https:\/\/python-programs.com\/#\/schema\/person\/fb109fd98e2d5a15fd4dac9970797602"},"headline":"Python math.log2() Method with Examples","datePublished":"2021-11-10T04:08:07+00:00","dateModified":"2021-11-10T04:08:07+00:00","mainEntityOfPage":{"@id":"https:\/\/python-programs.com\/python-math-log2-method-with-examples\/#webpage"},"wordCount":312,"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-math-log2-method-with-examples\/#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\/25353"}],"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=25353"}],"version-history":[{"count":1,"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/posts\/25353\/revisions"}],"predecessor-version":[{"id":25354,"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/posts\/25353\/revisions\/25354"}],"wp:attachment":[{"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/media?parent=25353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/categories?post=25353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/python-programs.com\/wp-json\/wp\/v2\/tags?post=25353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}