{"id":12481,"date":"2024-03-14T15:57:23","date_gmt":"2024-03-14T15:57:23","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-declaring-class-variables-in-python\/"},"modified":"2025-08-05T02:04:53","modified_gmt":"2025-08-05T02:04:53","slug":"what-is-the-method-for-declaring-class-variables-in-python","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-declaring-class-variables-in-python\/","title":{"rendered":"Python Class Variables Declaration Guide"},"content":{"rendered":"

In Python, class variables can be declared directly in the class definition or using the self keyword in the class methods.<\/p>\n

    \n
  1. Declare class variables directly in the class definition.<\/li>\n<\/ol>\n
    class<\/span> MyClass<\/span>:\r\n    class_variable = \"Hello\"<\/span>\r\n\r\nprint<\/span>(MyClass.class_variable)  # \u8f93\u51fa: Hello<\/span>\r\n<\/code><\/pre>\n
      \n
    1. Declare the self keyword in a class method.<\/li>\n<\/ol>\n
      class<\/span> MyClass<\/span>:\r\n    def<\/span> __init__<\/span>(self<\/span>):\r\n        self.class_variable = \"Hello\"<\/span>\r\n\r\nobj = MyClass()\r\nprint<\/span>(obj.class_variable)  # \u8f93\u51fa: Hello<\/span>\r\n<\/code><\/pre>\n
      Both methods can be used to declare class variables, but the class variables declared by method one are shared properties of the class, while the class variables declared by method two are properties of each object of the class.<\/p>\n","protected":false},"excerpt":{"rendered":"
      In Python, class variables can be declared directly in the class definition or using the self keyword in the class methods. Declare class variables directly in the class definition. class MyClass: class_variable = “Hello” print(MyClass.class_variable) # \u8f93\u51fa: Hello Declare the self keyword in a class method. class MyClass: def __init__(self): self.class_variable = “Hello” obj = […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[16376,16375,6698,212,2020],"class_list":["post-12481","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-class-attributes","tag-python-class-variables","tag-python-oop","tag-python-programming","tag-variable-declaration"],"yoast_head":"\nPython Class Variables Declaration Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to declare Python class variables using direct assignment or self keyword. 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