if __main__ =

如果一个Python文件被直接执行（作为主程序），那么__name__属性的值将被设置为"__main__"。 这意味着可以通过检查__name__属性是否等于"__main__"来判断这个文件是被直接执行还是被导入为一个模块。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *3* [python 关于main函数以及if __name__=='__main__'的理解](https://blog.csdn.net/xiachong27/article/details/88634921)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
- *2* [python编程中的if __name__ == '__main__': 的作用和原理](https://blog.csdn.net/dengxf01/article/details/53321379)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
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