{"id":5086,"date":"2019-10-03T21:53:10","date_gmt":"2019-10-03T16:23:10","guid":{"rendered":"https:\/\/pheonixsolutions.com\/blog\/?p=5086"},"modified":"2019-10-04T10:50:05","modified_gmt":"2019-10-04T05:20:05","slug":"deep-copy-and-shallow-copy","status":"publish","type":"post","link":"https:\/\/pheonixsolutions.com\/blog\/deep-copy-and-shallow-copy\/","title":{"rendered":"Deep Copy and Shallow Copy"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Deep Copy and Shallow Copy<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Date : 04\/10\/2019<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>copy&nbsp;module<\/strong> is used to create for shallow and deep copy operations Python. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Shallow copy<\/strong>=&gt;create a new object and store the reference of original elements.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>       import copy<br>       var1=[1,2,3,4]<br>       var2=copy.copy(var1)<br>       var1<br>       [1, 2, 3, 4]<br>       var2<br>       [1, 2, 3, 4]         <\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"> <strong>Example for Shallow copy using nested list: <\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>var1=[[1,2],2,3]<br>\n      var2=copy.copy(var1)<br>\n      var1<br>\n      [[1, 2], 2, 3]<br>\n      var2<br>\n      [[1, 2], 2, 3]<br>\n      var2.append(30)<br>\n      var2<br>\n      [[1, 2], 2, 3, 30]<br>\n      var1<br>\n      [[1, 2], 2, 3]<br>\n      var2[0][0]=90<br>\n      var2<br>\n      [[90, 2], 2, 3, 30]<br>\n      var1<br>\n      [[90, 2], 2, 3]<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Deepcopy<\/strong>=&gt;create the new object and add the nested objects and save the original elements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Example for deep copy:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>import copy<br>\n      var1=[1,2,3,4]<br>\n      var2=copy.deepcopy(var1)<br>\n      var1<br>\n      [1, 2, 3, 4]<br>\n      var2<br>\n      [1, 2, 3, 4]<br>\n      var2.append(90)<br>\n      var1<br>\n      [1, 2, 3, 4]<br>\n      var2<br>\n      [1, 2, 3, 4, 90]<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Example for deep copy using nested list:<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>import copy<br>\n      var1=[[1,2],[2,3],[3,4]]<br>\n      var2=copy.deepcopy(var1)<br>\n      var1<br>\n      [[1, 2], [2, 3], [3, 4]]<br>\n      var2<br>\n      [[1, 2], [2, 3], [3, 4]]<br>\n      var2[0][0]=90<br>\n      var2<br>\n      [[90, 2], [2, 3], [3, 4]]<br>\n      var1<br>\n      [[1, 2], [2, 3], [3, 4]]<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\n\nThanks for using&nbsp;<a href=\"https:\/\/pheonixsolutions.com\/\">Pheonix solutions<\/a>.\n\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Deep Copy and Shallow Copy Date : 04\/10\/2019 copy&nbsp;module is used to create for shallow and deep copy operations Python. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","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":"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":"","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-4)","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-4)","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-4)","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":""}},"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1022],"tags":[715,292],"class_list":["post-5086","post","type-post","status-publish","format-standard","hentry","category-web-architecture","tag-deepcopy-and-shallow-copy","tag-python","psol-cat-web-architecture"],"jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/phn2x7-1k2","jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/posts\/5086","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/comments?post=5086"}],"version-history":[{"count":0,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/posts\/5086\/revisions"}],"wp:attachment":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/media?parent=5086"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/categories?post=5086"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/tags?post=5086"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}