{"id":6355,"date":"2023-10-30T11:29:24","date_gmt":"2023-10-30T05:59:24","guid":{"rendered":"https:\/\/python-programs.com\/?p=6355"},"modified":"2023-11-10T12:07:41","modified_gmt":"2023-11-10T06:37:41","slug":"python-ifelse-statement","status":"publish","type":"post","link":"https:\/\/python-programs.com\/python-ifelse-statement\/","title":{"rendered":"Python \u2013 If\u2026Else Statement"},"content":{"rendered":"<p>In real life, there are times when we must make choices and decide what to do next based on those decisions. Similar scenarios occur in programming where we must make decisions and then execute the next block of code based on those decisions.<\/p>\n<p>In programming languages, decision making statements determine the flow of program\u00a0execution.<\/p>\n<h2>If..Else Statement in Python<\/h2>\n<ul>\n<li><a href=\"#If_statement\">If statement<\/a><\/li>\n<li><a href=\"#If-else_statement\">If-else statement<\/a><\/li>\n<li><a href=\"#Examples_of_If_else_statement\">Examples of If else statement<\/a><\/li>\n<li><a href=\"#If_statement_with_multiple_conditions\">If statement with multiple conditions<\/a><\/li>\n<\/ul>\n<h3 id=\"If_statement\">1)If statement<\/h3>\n<p>The if statement is the simplest decision-making statement. It is used to determine whether or not a specific statement or block of statements will be executed, i.e. if a certain condition is valid, then a block of statements is executed, otherwise not.<\/p>\n<p><strong>Syntax:<\/strong><\/p>\n<pre>if condition:\r\n    # statements which should be executed<\/pre>\n<p>In this case, the condition will be either true or false after evaluation. The if statement accepts boolean values \u2013 if the value is valid, the block of statements below it will be executed; otherwise, it will not. We may also use condition with bracket \u2018(\u2018 \u2018)&#8217;.<\/p>\n<p>Python, as we know, uses indentation to define a block. As a result, the block inside an if statement will be found, as seen in the example below.<\/p>\n<pre>if condition:\r\n   statement1\r\nstatement2\r\n\r\n#If the condition is valid, the if block will only consider\r\n# statement1 to be within its block.\r\n<\/pre>\n<p><img loading=\"lazy\" class=\"wp-image-6359 aligncenter\" src=\"https:\/\/python-programs.com\/wp-content\/uploads\/2021\/05\/if.png\" alt=\"\" width=\"283\" height=\"513\" srcset=\"https:\/\/python-programs.com\/wp-content\/uploads\/2021\/05\/if.png 489w, https:\/\/python-programs.com\/wp-content\/uploads\/2021\/05\/if-166x300.png 166w\" sizes=\"(max-width: 283px) 100vw, 283px\" \/><\/p>\n<p><strong>Example:<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\">age = 18\r\nif (age &gt; 15):\r\n    print(\"age is greater than 15\")\r\nprint(\"Statement after if block\")\r\n<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">age is greater than 15\r\nStatement after if block<\/pre>\n<h3 id=\"If-else_statement\">2)If-else statement<\/h3>\n<p>When the interpreter encounters an if argument, it evaluates the condition in the if-statement, and if that condition evaluates to True, it executes the suite in the if-block, i.e., the statements in the if-block and skips the statements in the else portion.<\/p>\n<p>If the condition in the if-statement evaluates to False, the suite in the else block is executed directly, i.e., the statements in the else block are executed instead of the statements in the if block.<\/p>\n<p><strong>Syntax:<\/strong><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">if condition:\r\n    statement_1\r\n    statement_2\r\n    statement_3\r\nelse:\r\n    statement_4\r\n    statement_5\r\n    statement_6<\/pre>\n<h3 id=\"Examples_of_If_else_statement\">3)Examples of If else statement<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\">age = 13\r\nif (age &gt; 15):\r\n    print(\"age is greater than 15\")\r\nelse:\r\n    print(\"age is less than 15\")\r\n<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">age is less than 15<\/pre>\n<p><strong>Explanation:<\/strong><\/p>\n<p>Here age is less than 15 so if condition is false and else statement is executed<\/p>\n<h3 id=\"If_statement_with_multiple_conditions\">4)If statement with multiple conditions<\/h3>\n<p>In all of the preceding instances, we provide a single condition with the if-statement, but we can also provide multiple conditions.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\">age = 13\r\n# checking if the age is between 10 to 20\r\nif (age &gt; 10 and age &lt; 20):\r\n    print(\"ageis between 10 to 20\")\r\nelse:\r\n    print(\"age is less than 15\")\r\n<\/pre>\n<p><strong>Output:<\/strong><\/p>\n<pre id=\"codeOutputPre\">age is between 10 to 20<\/pre>\n<p><strong>Explanation:<\/strong><\/p>\n<p>The if-statement in this case checks several conditions, and if all of them satisfy and evaluate to True, the interpreter executes the code in the if-block.<br \/>\n<strong>Related Programs<\/strong>:<\/p>\n<ul>\n<li><a href=\"https:\/\/python-programs.com\/python-programming-compound-statement-functions\/\">python programming compound statement functions<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-programming-compound-statement-built-in-functions\/\">python programming compound statement built in functions<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-programming-compound-statement-parameter\/\">python programming compound statement parameter<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-programming-simple-statement\/\">python programming simple statement<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-programming-compound-statement\/\">python programming compound statement<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-open-a-file-using-open-with-statement-and-benefits-explained-with-examples\/\">python open a file using open with statement and benefits explained with examples<\/a><\/li>\n<li><a href=\"https:\/\/python-programs.com\/python-if-elif-else-statement\/\">python if elif else statement<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In real life, there are times when we must make choices and decide what to do next based on those decisions. Similar scenarios occur in programming where we must make decisions and then execute the next block of code based on those decisions. In programming languages, decision making statements determine the flow of program\u00a0execution. If..Else &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/python-programs.com\/python-ifelse-statement\/\"> <span class=\"screen-reader-text\">Python \u2013 If\u2026Else Statement<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":7,"featured_media":6366,"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 \u2013 If\u2026Else Statement - 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-ifelse-statement\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python \u2013 If\u2026Else Statement - Python Programs\" \/>\n<meta property=\"og:description\" content=\"In real life, there are times when we must make choices and decide what to do next based on those decisions. 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