{"id":27191,"date":"2024-03-16T08:02:33","date_gmt":"2024-03-16T08:02:33","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/"},"modified":"2024-03-22T10:25:39","modified_gmt":"2024-03-22T10:25:39","slug":"how-to-set-global-variables-in-python","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/","title":{"rendered":"How to set global variables in Python."},"content":{"rendered":"<p>In Python, you can use the global keyword to define global variables.<\/p>\n<p>Here is an example code for setting global variables:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\"># \u5728\u51fd\u6570\u5185\u90e8\u8bbe\u7f6e\u5168\u5c40\u53d8\u91cf<\/span>\r\n<span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title function_\">set_global_variable<\/span>():\r\n    <span class=\"hljs-keyword\">global<\/span> global_var\r\n    global_var = <span class=\"hljs-string\">\"This is a global variable\"<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u5728\u51fd\u6570\u5916\u90e8\u8bbf\u95ee\u5168\u5c40\u53d8\u91cf<\/span>\r\n<span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title function_\">access_global_variable<\/span>():\r\n    <span class=\"hljs-built_in\">print<\/span>(global_var)\r\n\r\n<span class=\"hljs-comment\"># \u8c03\u7528\u51fd\u6570<\/span>\r\nset_global_variable()\r\naccess_global_variable()\r\n<\/code><\/pre>\n<p>The output is:<\/p>\n<pre class=\"post-pre\"><code>This is a global variable\r\n<\/code><\/pre>\n<p>In the function set_global_variable(), the global keyword is used to declare global_var as a global variable. This allows direct access and use of the global_var variable in the function access_global_variable().<\/p>\n<p>It is important to note that, before declaring a global variable using the global keyword inside a function, you cannot directly assign a value to the global variable, as it will be treated as a local variable.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Python, you can use the global keyword to define global variables. Here is an example code for setting global variables: # \u5728\u51fd\u6570\u5185\u90e8\u8bbe\u7f6e\u5168\u5c40\u53d8\u91cf def set_global_variable(): global global_var global_var = &#8220;This is a global variable&#8221; # \u5728\u51fd\u6570\u5916\u90e8\u8bbf\u95ee\u5168\u5c40\u53d8\u91cf def access_global_variable(): print(global_var) # \u8c03\u7528\u51fd\u6570 set_global_variable() access_global_variable() The output is: This is a global variable In the function set_global_variable(), [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-27191","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to set global variables in Python. - Blog - Silicon Cloud<\/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:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to set global variables in Python.\" \/>\n<meta property=\"og:description\" content=\"In Python, you can use the global keyword to define global variables. Here is an example code for setting global variables: # \u5728\u51fd\u6570\u5185\u90e8\u8bbe\u7f6e\u5168\u5c40\u53d8\u91cf def set_global_variable(): global global_var global_var = &quot;This is a global variable&quot; # \u5728\u51fd\u6570\u5916\u90e8\u8bbf\u95ee\u5168\u5c40\u53d8\u91cf def access_global_variable(): print(global_var) # \u8c03\u7528\u51fd\u6570 set_global_variable() access_global_variable() The output is: This is a global variable In the function set_global_variable(), [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-16T08:02:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T10:25:39+00:00\" \/>\n<meta name=\"author\" content=\"William Carter\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"William Carter\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/\"},\"author\":{\"name\":\"William Carter\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/f697031891aacefc4b681d139781d3c0\"},\"headline\":\"How to set global variables in Python.\",\"datePublished\":\"2024-03-16T08:02:33+00:00\",\"dateModified\":\"2024-03-22T10:25:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/\"},\"wordCount\":104,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/\",\"name\":\"How to set global variables in Python. - 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Blog - Silicon Cloud","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:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/","og_locale":"en_US","og_type":"article","og_title":"How to set global variables in Python.","og_description":"In Python, you can use the global keyword to define global variables. Here is an example code for setting global variables: # \u5728\u51fd\u6570\u5185\u90e8\u8bbe\u7f6e\u5168\u5c40\u53d8\u91cf def set_global_variable(): global global_var global_var = \"This is a global variable\" # \u5728\u51fd\u6570\u5916\u90e8\u8bbf\u95ee\u5168\u5c40\u53d8\u91cf def access_global_variable(): print(global_var) # \u8c03\u7528\u51fd\u6570 set_global_variable() access_global_variable() The output is: This is a global variable In the function set_global_variable(), [&hellip;]","og_url":"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-16T08:02:33+00:00","article_modified_time":"2024-03-22T10:25:39+00:00","author":"William Carter","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"William Carter","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/"},"author":{"name":"William Carter","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/f697031891aacefc4b681d139781d3c0"},"headline":"How to set global variables in Python.","datePublished":"2024-03-16T08:02:33+00:00","dateModified":"2024-03-22T10:25:39+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/"},"wordCount":104,"commentCount":0,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/","url":"https:\/\/www.silicloud.com\/blog\/how-to-set-global-variables-in-python\/","name":"How to set global variables in Python. - 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