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Pythonifname等于main

WebDec 23, 2011 · We Bought a Zoo: Directed by Cameron Crowe. With Matt Damon, Scarlett Johansson, Thomas Haden Church, Colin Ford. Set in Southern California, a father moves … WebJan 7, 2009 · If indeed __name__ does take the value of __main__ then whatever is in that block of code will execute. This tells us that if the file running is the main file (or you are …

If __name__ ==

WebDec 21, 2024 · Image by Arek Socha from Pixabay. This is a summary of Chapter 5 of “Python Crash Course: A Hands-On, Project Based Introduction to Programming” by Eric Matthes What is an If Statement? If ... WebOct 2, 2024 · No Python, temos uma convenção idiomática para solucionar problemas como o do nosso tipo,em que precisamos que um código não execute se estiver sendo apenas importado. Esta convenção se baseia nesse conceito da variável __name__, com uma condição que verifica se essa variável é igual a ’__main__’. Em outras palavras, o que há ... theodora clarke https://boudrotrodgers.com

python - if __name__ ==

WebAug 1, 2016 · test文件导入hello模块，在test文件中打印出hello模块的__name__属性值，显示的是hello模块的模块名。. 因此__name__ == '__main__' 就表示在当前文件中，可以在if __name__ == '__main__':条件下写入测试代码，如此可以避免测试代码在模块被导入后执行。. 2. 模块导入. 我们知道 ... WebNov 21, 2024 · 748 Followers. Sports Enthusiast Senior Deep Learning Engineer. Python Blogger @ medium. Background in Machine Learning & Python. WebFeb 4, 2024 · Pythonの if __name__ == ‘__main__’ の使い方について解説します。 そもそもPythonについてよく分からないという方は、Pythonとは何なのか解説した記事を読む … theodora becker

Python Tutorial: if __name__ ==

Category:Python if __name__ == __main__ Explained with Code …

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Pythonifname等于main

Python中if __name__ ==

WebThe condition if __name__ == ‘__main__’ is used in a Python program to execute the code inside the if statement only when the program is executed directly by the Python … WebIn simple words everything inside if __name__ == "__main__": is only run when the module is execute directly by the Python interpreter (for example, python module.py) or if functions are called explicitly after importing.. Example: File testFile.py # This will always be executed even if this module is simply imported by other file or this module is the entry point print "I …

Pythonifname等于main

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WebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. WebOct 31, 2024 · The __name__ Variable. First, let’s discuss Python’s special variable: __name__.The value of the __name__ variable depends on how the script it is used in is …

WebMar 23, 2015 · In this video, we will take a look at a common conditional statement in Python:if __name__ == '__main__':This conditional is used to check whether a python m... WebApr 14, 2024 · A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected …

WebApr 13, 2024 · Python 中的 __main__ 是什么. Python main 函数是任何 Python 程序的入口。. 当我们运行程序时，解释器按顺序运行代码，如果作为模块导入，则不会运行 main 函数，main 函数只有在作为 Python 程序运行时才会执行。. 因此如果我们直接运行脚本，Python 会将 __main__ 分配给 ... WebSep 21, 2024 · In this example, you define a function, echo(), that mimics a real-world echo by gradually printing fewer and fewer of the final letters of the input text. Below that, in …

WebEsto está íntimamente ligado al modo de funcionamiento del intérprete Python: Cuando el intérprete lee un archivo de código, ejecuta todo el código global que se encuentra en él.Esto implica crear objetos para toda función o clase definida y variables globales.

WebMar 18, 2024 · 我们都知道 Python 是没有 main () 函数的，所以如果在一个 Python 程序运行的时候，我们可能希望对使用的变量进行一些定义，如果使用模块运行的时候，可能不需要这个步骤。. 因为这个步骤可能会干扰作为模块运行时候提供的函数。. if __name__ == "__main__" 最最简单 ... theodora athena economouWebLinch Halo. 相信初学者在学习Python的过程中，不可避免的总会遇到if __name__ == '__main__'语句，下面举个栗子说说我的理解：现在有两个py文件，A.py和B.py文件。. def … theodora and oringherWebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. theodora 1042Web模块既然就是Python文件，那么它就有两种运行方式：一种是直接运行，另外一种是导入别的模块中再运行。. 理解了以上两个知识点，我们再来看看这个语句：. if __name__ == … theodor aavangWebJul 29, 2024 · Python初心者がサンプルコードを見たときに理解に苦しむのが、おまじないのように書かれているif __name__ == '__main__'。アンダースコアに惑わされてしまうが … theodora clemens in westerly riWebMar 15, 2024 · 这是 Python 中的一个常见用法，用于判断当前模块是否被直接运行，还是被作为模块导入到其他模块中使用。如果当前模块被直接运行，则 __name__ 的值为 '__main__'，可以执行一些特定的代码；如果被导入到其他模块中，则 __name__ 的值为模块名 … theodorachesterWeb作者：leetao 链接： 【Python】__name__ 是什么？来源：博客园 著作权归作者所有。商业转载请联系作者获得授权，非商业转载请注明出处。 前言在我们浏览一下 python 文件或者自己写 python 代码的时候，时常会在… theodora bobrinskoy shepherd