{"id":144649,"date":"2025-03-28T11:50:15","date_gmt":"2025-03-28T06:20:15","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=144649"},"modified":"2025-03-28T11:50:15","modified_gmt":"2025-03-28T06:20:15","slug":"difference-between-reference-view-and-copy-in-numpy","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/difference-between-reference-view-and-copy-in-numpy\/","title":{"rendered":"Difference Between Reference, View and Copy in NumPy"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\"># Differece between reference , view and copy in Numpy\r\nimport numpy as np\r\n\r\nar=np.array([10,20,30,40,50])\r\n#Copy\r\nar_copy=ar.copy()\r\nprint(\"id of ar\",id(ar))\r\nprint(\"id of ar_view\",id(ar_copy))\r\nprint(\"Before change: \")\r\nprint(ar)\r\nprint(ar_copy)\r\nprint(\"After change: \")\r\nar[2]=900\r\nprint(ar)\r\nprint(ar_copy)\r\nprint(\"----------------------------\")\r\nprint(ar.base)\r\nprint(ar_copy.base)\r\n\r\n# View\r\n# ar_view=ar.view()\r\n# print(\"id of ar\",id(ar))\r\n# print(\"id of ar_view\",id(ar_view))\r\n# print(\"Before change: \")\r\n# print(ar)\r\n# print(ar_view)\r\n# print(\"After change: \")\r\n# ar[2]=900\r\n# print(ar)\r\n# print(ar_view)\r\n# print(\"----------------------------\")\r\n# print(ar.base)\r\n# print(ar_view.base)\r\n\r\n#Reference \r\n# ar_ref=ar\r\n# print(\"ar id: \",id(ar))\r\n# print(\"ar_ref id: \",id(ar_ref))\r\n\r\n# print(\"Before change: \")\r\n# print(ar)\r\n# print(ar_ref)\r\n# print(\"After change: \")\r\n# ar_ref[2]=700\r\n# print(ar)\r\n# print(ar_ref)\r\n# print(\"----------------------------\")\r\n# print(ar.base)\r\n# print(ar_ref.base)<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 # Differece between reference , view and copy in Numpy import numpy as np ar=np.array([10,20,30,40,50]) #Copy ar_copy=ar.copy() print(&#8220;id of ar&#8221;,id(ar)) print(&#8220;id of ar_view&#8221;,id(ar_copy)) print(&#8220;Before change: &#8220;) print(ar) print(ar_copy) print(&#8220;After change: &#8220;) ar[2]=900&#46;&#46;&#46;<\/p>\n","protected":false},"author":581,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22401],"tags":[33916,33915,9170,31785,31784,9175,33917,31814],"class_list":["post-144649","post","type-post","status-publish","format-standard","hentry","category-numpy","tag-comparison-between-reference-view-copy-in-numpy","tag-difference-between-reference-view-copy-in-numpy","tag-numpy","tag-numpy-practical","tag-numpy-program","tag-numpy-tutorial","tag-reference-view-copy-in-numpy","tag-reference-vs-view-vs-copy-in-numpy"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Difference Between Reference, View and Copy in NumPy - DataFlair<\/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:\/\/data-flair.training\/blogs\/difference-between-reference-view-and-copy-in-numpy\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Difference Between Reference, View and Copy in NumPy - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 # Differece between reference , view and copy in Numpy import numpy as np ar=np.array([10,20,30,40,50]) #Copy ar_copy=ar.copy() print(&quot;id of ar&quot;,id(ar)) print(&quot;id of ar_view&quot;,id(ar_copy)) print(&quot;Before change: &quot;) print(ar) print(ar_copy) print(&quot;After change: &quot;) ar[2]=900&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/difference-between-reference-view-and-copy-in-numpy\/\" \/>\n<meta property=\"og:site_name\" content=\"DataFlair\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DataFlairWS\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-28T06:20:15+00:00\" \/>\n<meta name=\"author\" content=\"DataFlair Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:site\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"DataFlair Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Difference Between Reference, View and Copy in NumPy - DataFlair","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:\/\/data-flair.training\/blogs\/difference-between-reference-view-and-copy-in-numpy\/","og_locale":"en_US","og_type":"article","og_title":"Difference Between Reference, View and Copy in NumPy - DataFlair","og_description":"Program 1 # Differece between reference , view and copy in Numpy import numpy as np ar=np.array([10,20,30,40,50]) #Copy ar_copy=ar.copy() print(\"id of ar\",id(ar)) print(\"id of ar_view\",id(ar_copy)) print(\"Before change: \") print(ar) print(ar_copy) print(\"After change: \") ar[2]=900&#46;&#46;&#46;","og_url":"https:\/\/data-flair.training\/blogs\/difference-between-reference-view-and-copy-in-numpy\/","og_site_name":"DataFlair","article_publisher":"https:\/\/www.facebook.com\/DataFlairWS\/","article_published_time":"2025-03-28T06:20:15+00:00","author":"DataFlair Team","twitter_card":"summary_large_image","twitter_creator":"@DataFlairWS","twitter_site":"@DataFlairWS","twitter_misc":{"Written by":"DataFlair Team","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/data-flair.training\/blogs\/difference-between-reference-view-and-copy-in-numpy\/#article","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/difference-between-reference-view-and-copy-in-numpy\/"},"author":{"name":"DataFlair Team","@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/person\/c187795dc82ab948373cca526df7c445"},"headline":"Difference Between Reference, View and Copy in NumPy","datePublished":"2025-03-28T06:20:15+00:00","mainEntityOfPage":{"@id":"https:\/\/data-flair.training\/blogs\/difference-between-reference-view-and-copy-in-numpy\/"},"wordCount":10,"commentCount":0,"publisher":{"@id":"https:\/\/data-flair.training\/blogs\/#organization"},"keywords":["comparison between reference view copy in numpy","difference between reference view copy in numpy","Numpy","numpy practical","numpy program","NumPy Tutorial","reference view copy in numpy","reference vs view vs copy in numpy"],"articleSection":["NumPy Tutorials"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/data-flair.training\/blogs\/difference-between-reference-view-and-copy-in-numpy\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/data-flair.training\/blogs\/difference-between-reference-view-and-copy-in-numpy\/","url":"https:\/\/data-flair.training\/blogs\/difference-between-reference-view-and-copy-in-numpy\/","name":"Difference Between Reference, View and Copy in NumPy - 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