{"id":24809,"date":"2021-11-02T09:48:11","date_gmt":"2021-11-02T04:18:11","guid":{"rendered":"https:\/\/python-programs.com\/?p=24809"},"modified":"2021-11-05T20:37:24","modified_gmt":"2021-11-05T15:07:24","slug":"python-hasattr-method-with-examples","status":"publish","type":"post","link":"https:\/\/python-programs.com\/python-hasattr-method-with-examples\/","title":{"rendered":"Python hasattr() Method with Examples"},"content":{"rendered":"<p>In the previous article, we have discussed <a href=\"https:\/\/python-programs.com\/python-globals-function-with-examples\/\">Python globals() Function with Examples<\/a><br \/>\n<strong>hasattr() Method in Python:<\/strong><\/p>\n<p>If the specified object has the specified attribute, the hasattr() function returns true; otherwise, it returns False.<\/p>\n<p><strong>Syntax:<\/strong><\/p>\n<pre>hasattr(object, attribute)<\/pre>\n<p><strong>Parameter Values<\/strong><\/p>\n<p><strong>object:<\/strong> This is required. It is an object.<\/p>\n<p><strong>attribute:<\/strong> The name of the attribute to be checked whether exists or not.<\/p>\n<p><strong>Return Value:<\/strong><\/p>\n<p>The method hasattr() returns:<\/p>\n<ul>\n<li>True if the object has the specified named attribute.<\/li>\n<li>False if the object lacks the specified named attribute.<\/li>\n<\/ul>\n<h2>hasattr() 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>Create a class say Employdetails.<\/li>\n<li>Take a variable and initialize it with some random number(id).<\/li>\n<li>Take another variable and initialize it with some random name(ename).<\/li>\n<li>Create an object for the class and store it in a variable.<\/li>\n<li>Check if the above class has an attribute id by passing arguments like the above object and attribute name using the hasattr() function and print the result.<\/li>\n<li>Similarly, do the same for the other attribute(jobrole) and print the result.<\/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\"># Create a class say Employdetails.\r\nclass Employdetails:\r\n    # Take a variable and initialize it with some random number(id).\r\n    id = 10\r\n    # Take another variable and initialize it with some random name(ename).\r\n    ename = 'Hitler'\r\n\r\n\r\n# Create an object for the class and store it in a variable.\r\nEmploydetailsobj = Employdetails()\r\n# Check if the above class has an attribute id by passing arguments like the\r\n# above object and attribute name using the hasattr() function and print the result.\r\nprint('Does Employdetails has id?:', hasattr(Employdetailsobj, 'id'))\r\n# Similarly, do the same for the other attribute(jobrole) and print the result.\r\nprint('Does Employdetails has jobrole?:', hasattr(Employdetailsobj, 'jobrole'))\r\n<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">Does Employdetails has id?: True\r\nDoes Employdetails has jobrole?: False<\/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>Create a class say Employdetails.<\/li>\n<li>Take a variable and initialize it with some random number(id).<\/li>\n<li>Take another variable and initialize it with some random name(ename).<\/li>\n<li>Create an object for the class and store it in a variable.<\/li>\n<li>Give some random attribute name as user input using the input() function and store it in a variable.<\/li>\n<li>Give the other attribute name as user input using the input() function and store it in another variable.<\/li>\n<li>Check if the above class has the above attribute by passing arguments like the above object and above attribute name using the hasattr() function and print the result.<\/li>\n<li>Similarly, do the same for the other attribute and print the result.<\/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\"># Create a class say Employdetails.\r\nclass Employdetails:\r\n    # Take a variable and initialize it with some random number(id).\r\n    id = 10\r\n    # Take another variable and initialize it with some random name(ename).\r\n    ename = 'Hitler'\r\n\r\n\r\n# Create an object for the class and store it in a variable.\r\nEmploydetailsobj = Employdetails()\r\n# Give some random attribute name as user input using the input() function\r\n# and store it in a variable.\r\natrname1 = input(\"Enter some random attribute name = \")\r\n# Give the other attribute name as user input using the input() function\r\n# and store it in another variable.\r\natrname2 = input(\"Enter some random attribute name = \")\r\n# Check if the above class has the above attribute by passing arguments like the above object\r\n# and above attribute name using the hasattr() function and print the result.\r\nprint('Does Employdetails has', atrname1, '?:',\r\n      hasattr(Employdetailsobj, atrname1))\r\n# Similarly, do the same for the other attribute and print the result.\r\nprint('Does Employdetails has', atrname2, '?:',\r\n      hasattr(Employdetailsobj, atrname2))\r\n<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre>Enter some random attribute name = age\r\nEnter some random attribute name = ename\r\nDoes Employdetails has age ?: False\r\nDoes Employdetails has ename ?: True<\/pre>\n<p>Fed up with searching various pages for the list of <a href=\"https:\/\/python-programs.com\/python-built-in-functions\/#Python_Built_in_Functions\">Python Built in Functions<\/a>? Look at the tutorial linked here and explore all coding samples of built-in functions of python.<\/p>\n<ul>\n<li><a href=\"https:\/\/python-programs.com\/python-oct-function-with-examples\/\">Python oct() Function with Examples<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-next-function-with-examples\/\">Python next() Function with Examples<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-list-function-with-examples\/\">Python list() Function with Examples<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-sum-function-with-examples\/\">Python sum() Function with Examples<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In the previous article, we have discussed Python globals() Function with Examples hasattr() Method in Python: If the specified object has the specified attribute, the hasattr() function returns true; otherwise, it returns False. Syntax: hasattr(object, attribute) Parameter Values object: This is required. It is an object. attribute: The name of the attribute to be checked &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/python-programs.com\/python-hasattr-method-with-examples\/\"> <span class=\"screen-reader-text\">Python hasattr() 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 hasattr() 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-hasattr-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 hasattr() Method with Examples - Python Programs\" \/>\n<meta property=\"og:description\" content=\"In the previous article, we have discussed Python globals() Function with Examples hasattr() Method in Python: If the specified object has the specified attribute, the hasattr() function returns true; otherwise, it returns False. 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