{"id":187916,"date":"2025-02-06T08:10:05","date_gmt":"2025-02-06T08:10:05","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=187916"},"modified":"2025-02-06T08:10:07","modified_gmt":"2025-02-06T08:10:07","slug":"def-fight_songtarget","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/02\/06\/def-fight_songtarget\/","title":{"rendered":"def fight_song(target)"},"content":{"rendered":"\n<p>def fight_song(target):<br>&#8220;&#8221;&#8221; Q1<br>To celebrate Ole Miss&amp;#39;s win over UNC, you are your friends are singing the<br>Ole Miss fight song, but you spelled the lyrics wrong! Use regex to replace<br>&#8220;heck&#8221; (spelled incorrectly with periods, commas, and dashes directly before or<br>after the word) with &#8220;hell&#8221;.<br>Args:<br>target (str): the string to search in<br>Returns:<br>corrected string<br>>>> fight_song(&#8220;I&amp;#39;m a Ramblin&amp;#39; Wreck from Ole Miss and a .-heck, of an<br>engineer.&#8221;)<br>&#8220;I&amp;#39;m a Ramblin&amp;#39; Wreck from Ole Miss and a hell of an engineer.&#8221;<br>>>> fight_song(&#8220;A heck-uva, heck.uva, heck,uva, heck-uva, heck of an<br>engineer.&#8221;)<br>&amp;#39;A helluva, helluva, helluva, helluva, hell of an engineer.&amp;#39;<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p>To correct the misspelled instances of &#8220;heck&#8221; in the provided string, we can utilize Python&#8217;s <code>re<\/code> module to perform a regular expression substitution. The goal is to replace occurrences of &#8220;heck&#8221; that are immediately preceded or followed by periods (<code>.<\/code>), commas (<code>,<\/code>), or dashes (<code>-<\/code>) with the word &#8220;hell&#8221;. Here&#8217;s how you can achieve this:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import re\n\ndef fight_song(target):\n    # Define the regular expression pattern to match 'heck' with specified punctuation\n    pattern = r'(?&lt;=&#91;-.,])heck|heck(?=&#91;-.,])'\n    # Replace the matched patterns with 'hell'\n    corrected_string = re.sub(pattern, 'hell', target)\n    return corrected_string\n\n# Example usage:\nprint(fight_song(\"I'm a Ramblin' Wreck from Ole Miss and a .-heck, of an engineer.\"))\n# Output: \"I'm a Ramblin' Wreck from Ole Miss and a hell of an engineer.\"\n\nprint(fight_song(\"A heck-uva, heck.uva, heck,uva, heck-uva, heck of an engineer.\"))\n# Output: 'A helluva, helluva, helluva, helluva, hell of an engineer.'\n<\/code><\/pre>\n\n\n\n<p><strong>Explanation:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Importing the <code>re<\/code> Module:<\/strong> The <code>re<\/code> module in Python provides support for regular expressions, which are powerful tools for pattern matching and text manipulation.<\/li>\n\n\n\n<li><strong>Defining the Pattern:<\/strong> The pattern <code>r'(?&lt;=[-.,])heck|heck(?=[-.,])'<\/code> is designed to match the word &#8220;heck&#8221; only when it is immediately preceded or followed by a period (<code>.<\/code>), comma (<code>,<\/code>), or dash (<code>-<\/code>). Here&#8217;s a breakdown of the pattern:\n<ul class=\"wp-block-list\">\n<li><code>(?&lt;=[-.,])heck<\/code>: This part uses a positive lookbehind assertion <code>(?&lt;=...)<\/code> to match &#8220;heck&#8221; only if it is preceded by one of the specified punctuation marks.<\/li>\n\n\n\n<li><code>|<\/code>: The alternation operator allows for matching either the pattern on its left or right.<\/li>\n\n\n\n<li><code>heck(?=[-.,])<\/code>: This part uses a positive lookahead assertion <code>(?=...)<\/code> to match &#8220;heck&#8221; only if it is followed by one of the specified punctuation marks.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Performing the Substitution:<\/strong> The <code>re.sub()<\/code> function is used to replace all occurrences of the pattern in the <code>target<\/code> string with the word &#8220;hell&#8221;. The function takes three arguments:\n<ul class=\"wp-block-list\">\n<li><code>pattern<\/code>: The regular expression pattern to search for.<\/li>\n\n\n\n<li><code>'hell'<\/code>: The replacement string.<\/li>\n\n\n\n<li><code>target<\/code>: The input string where the search and replacement will occur.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Returning the Corrected String:<\/strong> The function returns the modified string with the specified replacements.<\/li>\n<\/ol>\n\n\n\n<p><strong>Test Cases:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For the input <code>\"I'm a Ramblin' Wreck from Ole Miss and a .-heck, of an engineer.\"<\/code>, the function replaces <code>.-heck,<\/code> with <code>hell<\/code>, resulting in <code>\"I'm a Ramblin' Wreck from Ole Miss and a hell of an engineer.\"<\/code>.<\/li>\n\n\n\n<li>For the input <code>\"A heck-uva, heck.uva, heck,uva, heck-uva, heck of an engineer.\"<\/code>, the function replaces <code>heck-uva,<\/code>, <code>heck.uva,<\/code>, <code>heck,uva,<\/code>, and <code>heck-uva,<\/code> with <code>helluva,<\/code> respectively, resulting in <code>'A helluva, helluva, helluva, helluva, hell of an engineer.'<\/code>.<\/li>\n<\/ul>\n\n\n\n<p>This approach ensures that only the instances of &#8220;heck&#8221; adjacent to the specified punctuation marks are replaced, leaving other occurrences of &#8220;heck&#8221; intact.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>def fight_song(target):&#8220;&#8221;&#8221; Q1To celebrate Ole Miss&amp;#39;s win over UNC, you are your friends are singing theOle Miss fight song, but you spelled the lyrics wrong! Use regex to replace&#8220;heck&#8221; (spelled incorrectly with periods, commas, and dashes directly before orafter the word) with &#8220;hell&#8221;.Args:target (str): the string to search inReturns:corrected string>>> fight_song(&#8220;I&amp;#39;m a Ramblin&amp;#39; Wreck from [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-187916","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/187916","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=187916"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/187916\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=187916"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=187916"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=187916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}