關於 __main__ python ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. 【Python】if __name__ == '__main__' 的意思 - 抹茶的技術窩

if __name__ == '__main__' 這個區塊裡面的程式碼， 只有當情況1 自己本身執行的時候才會運作，而被import 時這個區塊則會被忽略。 所以可以視 ...

#12. Python 中的if __name__ == __main__

如果你一步步地阅读本文，并阅读了下列代码片段，你将明白 if __name__ == "__main__" 的用法，以及它为什么如此重要。 Python 模块介绍. Python 文件被称 ...

#13. What does the if __name__ == “__main__”: do?

Python3 · Every Python module has it's __name__ defined and if this is '__main__', it implies that the module is being run standalone by the user ...

#14. Python中的if __name__ == '__main__'是什么意思呢原创

Python 中的if __name__ == '__main__'是什么意思呢 原创. 2020-05-01 23:26:52 50点赞. ac同学. 码龄6年. 关注. if name == 'main'的意思是：当.py文件被直接运行 ...

#15. if __name__ == '__main__' 如何正确理解?

__name__ 是当前模块名，当模块被直接运行时模块名为__main__ 。这句话的意思就是，当模块被直接运行时，以下代码块将被运行，当模块是被导入时，代码块 ...

#16. Python 中的if __name__ == 'main' 的作用和原理

而“__main__”等于当前执行文件的名称（包含了后缀.py）。所以当模块被直接执行时，__name__ == '__main__'结果为真；而当模块被import到其他模块中时， ...

#17. if __name__ == '__main__'|Entry point 入口點|main|教學|廣東話

Python 初級：第18課- if __ name __ == '__main __ '|Entry point 入口點| main |教學|廣東話. 2.1K views · 1 year ago HONG KONG ...more ...

#18. Python中熟悉而又陌生的if __name__ == "__main__"

当一个文件作为主程序运行时， __name__ 会被设置成 __main__ 。 python 文件作为模块导入. 新建 bar.py 文件。 # bar.py print( ...

#19. __main__ and __name__ in Python

Python includes the special variable called __name__ that contains the scope of the code being executed as a string. __main__ is the name of the top-level ...

#20. What does if __name__ == "__main__": do?

__main__ : Like other programming languages, Python too has an execution entry point, i.e., main. '__main__' is the name of the scope in which ...

#21. What is "if __name__ == '__main__'" in Python - nkmk note

In Python, string literals can be enclosed in either single quotes ' or double quotes " . Thus, if __name__ == "__main__" is equivalent to if __ ...

#22. Python 速查手冊- 單元7 - 模組與

本篇文章介紹Python 的模組。 ... class Demo: def demo(self): print("demo") if __name__ == "__main__": d = Demo() d.demo() #《程式語言教學誌》的範例程式# ...

#23. if __name__ == '__main__' 如何正确理解

if __name__ == '__main__' 就相当于是Python 模拟的程序入口。Python 本身并没有规定这么写，这只是一种编码习惯。由于模块之间相互引用，不同模块可能都有这样的 ...

#24. What Does if __name__ == "__main__": Do in Python?

The __name__ Attribute and the __main__ Scope. The __name__ attribute comes by default as one of the names in the current local scope. The ...

#25. 秒懂Python编程中的if __name__ == 'main' 的作用和原理

一天偶然发现知乎上有篇关于对python编程中的if __name__ == 'main'的理解陈述，看完之后，自己觉得不够简单明了，于是在其文章底部写了一句话，突然 ...

#26. What does if __name__ == ”__main__” do in Python?

When a module is invoked as a string, then Python interpreter will assign the string '__main__' to a special variable called __name__ and the code which is ...

#27. Python __name__=='__main__'作用详解

可以看到，Python解释器将模块（candf.py）中的测试代码也一块儿运行了，这并不是 ... 可以看到，当前运行的程序，其__name__ 的值为__main__，而导入到当前程序中的 ...

#28. 聊聊Python代码中if __name__ == '__main__'的作用是什么

聊聊Python代码中if __name__ == '__main__'的作用是什么. 2022-03-16 16:35:58 作者：昊虹图像算法. 一个python文件通常有两种使用方法,第一是作为脚本直接执行, ...

#29. Python Tutorial - if __name__ == '__main__'

If we run the code directly via "python m1.py", the module name is "__main__": call myfnc() m1 module name=__main__. So, the 'if' code block will be ...

#30. Understanding if __name__ == “__main__” in Python

Otherwise, the value of __name__ is set to contain the name of the module. We use if __name__ == “__main__” block to prevent (certain) code from ...

#31. if __name__ == '__main__'：的作用和原理【转】

即，if __name__=="__main__": 之前的语句被执行，之后的没有被执行。 if __name__ == '__main__':的运行原理. 每个python模块（python文件，也就是此处的 ...

#32. 你真知道if __name__ == '__main__' 是什麼意思嗎？

接觸Python的你一定有過如此經歷，把所有的代碼都寫在if __name__ == '__main__' 下，因為有人告訴你，這樣比較符合Pythonista 的代碼風格。

#33. What is if __name__ == "__main__" in Python?

What is if __name__ == "__main__" in Python? Let's suppose we have a file named first.py which has the following code inside: print('Hello') if __name__ ...

#34. What does if __name__ == "__main__" do?

What does if __name__ == "__main__" do? · We run it as the main program with python filename.py · We import the file in another file with import filename.

#35. Python if __name__ == “__main__”: main()

You may have seen a curious syntax in some Python programs that includes a string like if __name__ == “__main__”: main(). Some might refer to it as the def ...

#36. Python中的if __name__ == “__main__” 的全面解释

in if __name__ == “__main__” block语句。 但是如果将print_hello.py文件当作module导入，情况如下：. >>>from print_hello import printHello. >> ...

#37. Python中的if __name__ == "__main__": main()

你可能在一些Python 程序中看到一种奇怪的语法，其中包括一个字符串，如if __name__ == "__main__": main()。有些人可能会把它称为def main if name ...

#38. 終於搞懂了Python腳本里的if __name__ == '__main__'

經常在Python腳本的最後看到有這樣的語句： if __name__ == '__main__': main(). 那麼這是什麼意思呢？ __name__是什麼？ __name__是當前模塊（腳本 ...

#39. Python 中的if __name__ == '__main__' 该如何理解 - 旷世的忧伤

可以看到，const 中的main 函数也被运行了，实际上我们是不希望它被运行，提供main 也只是为了对常量定义进行下测试。这时， if __name__ ...

#40. Python __name__ == '__main__'详细解释

'_ _main_ _' 实际上就是一个字符串，用来鉴别程序入口，没有太多花里胡哨的东西. 3.__name__ == '__main__'. 当.py 文件被直接运行 (Ctrl+Shift+F10) ...

#41. Python main函数和__main__ - 芯片天地

Python main函数和__main__ · 当Python解释器读取源文件时，它将执行其中找到的所有代码。 · 当Python将“源文件”作为主程序运行时，它将特殊变量（__name__ ...

#42. Python主要功能与示例：理解__main__ - 爱码小士

这是因为我们没有声明调用函数“if__name __ ==”__ main__“。 当Python解释器读取源文件时，它将执行其中的所有代码。 当Python运行“源文件”作为主程序 ...

#43. [python] __name__ == “__main__”解析 - JysBlog

[python] __name__ == “__main__”解析 ... 在一些python程式碼中常常會看到__name__==”__main__”這段，這是代表什麼 ... if __name__ == "__main__":.

#44. Python 以模組名稱__name__ 分辨程式執行模式

__main__ 最上層變數範圍 · 透過標準輸入（standard input）讀取Python 程式碼來執行程式。 · 在Python 互動式的環境中，直接輸入程式碼來執行。 · 使用 ...

#45. python获取当前运行程序的类名和方法名

进而当模块被直接执行时， __name__ == '__main__' 结果为真。 3、如果该模块被import到其他模块中，则该模块的 __name__ 等于该模块名称（不包含后缀.py ...

#46. Python if __name__ == "__main__": Explain?

The if __name__ == "__main__": statement is used to control the execution of a script. For example, if you wanted to execute the code only if it ...

#47. Python小技巧#1：__name__ == '__main__' 是做什么用的？

Python 小技巧#1： __ name __ == '__ main __' 是做什么用的？ 麦叔编程. 相关推荐. 查看更多. 100秒学会 Python 中的if __name__ == '__main__':.

#48. Python Main Function & Method Example: Understand def ...

Python main function is a starting point of any program. When the program is run, the python interpreter runs the code sequentially. Main ...

#49. if __name__ == '__main__': What does it mean (Python)

When a Python script is run, the interpreter sets the name variable to the string ' __main__ ' if the script is the main program being executed.

#50. What is “__name__” and “__main__” in Python?

__ name__ is a built-in variable which evaluates to the name of the current module. This variable gets assigned a string depending on how we are running the ...

#51. Python Tutorial: Understanding if __name__ == "__main__"

"if __name__ == "__main__" is important for Python programmers when reading or writing Python programs, as it determines which code is executed when the ...

#52. Understanding if __name__ == '__main__' in Python

Have you ever skimmed through a Python codebase with different modules? If yes, you'd probably have come across if __name__ == '__main__' ...

#53. Python's Mysterious 'if __name__ == "__main__"' Explained

The condition if __name__ == '__main__' is used in a Python program to execute the code inside the if statement only when the program is ...

#54. If __name__ == "__main__" in Python

The value of the __name__ is __main__. Again, type the following command to import the Python module to test whether the Python interpreter assigns the value to ...

#55. if __name__ == '__main__'详细解释及实操演示

当一个Python文件被执行时，Python解释器会首先将该文件作为一个模块导入，并执行其中的代码。此时，__name__的值为模块的名称。 if name == 'main' ...

#56. The Reason Behind if __name__ == '__main__' in Python

The file currently being run will always have the value __main__ . This sounds confusing at first but let's clarify. Let's create two Python ...

#57. Python __name__ Variable

If the current module is executing then the __name__ variable is assigned the value __main__ otherwise it simply contains the name of the module or script. So, ...

#58. Python: __name__ == "__main__" Explained

__ name__ is simply a built-in variable in Python which evaluates to the name of the current module. To fully understand what __name__ is and how it used, let's ...

#59. Use of the 'if __name__ == __main__' Statement in Python

The classes, functions, and variables are defined by the module. The __name__ variable is set to __main__ if the Python interpreter runs a module in the main ...

#60. If __name__==__main__ usage & necessity - CodeWithHarry

Let us now move further to “if __name__ == “ __main__ ”. Working with Python files, when we import one file to another, along with the functions and variables, we ...

#61. Python: 如何在一个模块中执行另一个模块的if __name__ ...

cat another.py # -*- coding: utf-8 -*- import sys def main(args): print(args) if __name__ == '__main__': print("run code below __name__ ...

#62. What Does "if __name__ == '__main__'" Do in Python?

The statement if __name__ == '__main__': checks if variable __name__ is set to the string value '__main__' which holds only within the main ...

#63. An Introduction to the main() Function in Python

Therefore, the script with if __name__ = "__main__" could run several times faster. Without the main sentinel, the code would be executed even if the script ...

#64. cpython/Lib/turtledemo/__main__.py at main

The Python programming language. Contribute to python/cpython development by creating an account on GitHub. ... __main__.py ...

#65. What does if __name__ == "__main__" do in python? Can ...

Example. I have a file called Add.py def addNumbers(a, b): Return a + b If __name__ == “__main__ ...

#66. python中__main__的作用域及变量使用 - 人在江湖漂...

今天使用python写一段小程序时发现了一个容易忽略掉的变量作用域的细节。先看一下问题。 $ cat main_variable.py x = 1 if __name__ == "__main__": ...

#67. What's in a __name__?

if __name__ == “__main__”: When I was new to Python, I ran into a mysterious block of code that looked something like: def main():

#68. Understanding Python's __main__ variable

Understanding Python's __main__ variable. See Python: Tips and Tricks for similar articles. Let's say we have two scripts: foo.py and bar.py.

#69. Python __name__

但是当我们在运行这个代码时这个代码的__name__ 的值为__main__ （一段程序作为主线运行程序时其内置名称就是__main__）。 import requests class requests(object): def ...

#70. 【Python】 if __name__ == “__main__” とはなにか

if __name__ == "__main__": があると、モジュールがPythonスクリプトとして起動された場合（＊例えばpython ファイル名.py 等にて実行された場合） ...

#71. Python main function

For python main function, we have to define a function and then use if __name__ == '__main__' condition to execute this function.

#72. What is if __name__ == '__main__' ?

So when you use if __name__ == "__main__" in your python script, you are asking Python to run the script as the main file.

#73. What is Python __name__ == '__main__'?

So why is there a need for adding if __name__ == "__main__" to your Python modules? We first need to look at how Python deals with imports to ...

#74. without brackets mean in python Tkinter module ? (Example)

if __name__ == '__main__': Does is make sure that any code inside that if statement will only run if this is the module you are executing. That ...

#75. if __name__ == "__main__" - Programmare in Python

Abbiamo l'attributo __ name __, che qualora corrisponda alla stringa "__main __ " innesca la chiamata alla funzione main (). A cosa serve questa clausola di ...

#76. What is if __name__ == "__main__"

Every module in Python has a special attribute called __name__ . The value of __name__ attribute is set to '__main__' when module run as main program.

#77. Python: O que significa if __name__ == '__main__'?

Entenda como o import de arquivos em outros funciona no Python e aprenda a contornar os problemas que ... if __name__ == '__main__': main().

#78. The benefits of __name__ == "__main__" in Python

In your adventures with Python, you've probably seen the following quite a fair bit: def main(): pass if __name__ == "__main__": main().

#79. Why do some python developers despise having if ...

Shadowing it with "__main__" makes it serve two purposes, requiring code that uses it to be aware of this. A __main. Continue Reading.

#80. Running your Django project with __main__.py

__main__.py provides a command line interface to a Python package. It can be executed with python -m mypackage . Here are some common ones you may have seen ...

#81. if __name__ == '__main__' always False! : PY-37304 - YouTrack

When you run it as Flask app, you typically set env variable FLASK_APP and then run python -m flask run . It that case, __name__ == app (or whatever your script ...

#82. _name_ _main_ in Python - Javatpoint

The Python interpreter set the special __name__ variable to have the value "__main__" if that module (the source file) is being executed as the main ...

#83. Understanding if __name__ == “__main__” in Python

Cloud & AI Analytics ... Understanding if __name__ == “__main__” in Python : ... It implies that the module is being run standalone by the user and ...

#84. If __name__ == '__main__' in Python - SaralGyaan

What does if __name__ == '__main__'in python means? In python, you must have come accross the following code :- if __name__ == '__main__': main().

#85. Python Main function

The __name__ variable is a special builtin Python variable that shows the name of the current module. It has different values depending on where we execute the ...

#86. Understanding the __main__ Function in Python

Using if __name__ == '__main__' provides the flexibility to write code that can be executed from the command line or imported as a package into an ...

#87. 写Python 脚本，一定要加上这个！ - 文章详情

而Python 社区比较推荐的写法是在写脚本时，加上下面这个语句： def main(): # do something print("do something.") if __name__ == "__main__":

#88. How Do You Write a Main Function in Python? - LearnPython

So, we can literally say that, in the top-level script environment, __name__ = '__main__' . Why not use this knowledge to separate the code in ...

#89. Зачем __name__ == "__main__"?

Прежде чем изучить конструкцию if __ name__ == __"main__", необходимо знать несколько вещей: Интерпретатор Python выполняет весь код, который ...

#90. Python if main | Learn Two Main Ways of Python Execution ...

When we want to execute the Python script directly, then Python will assign “__main__” to __name__ as we will see in the below example.

#91. Add if __name__ == '__main__' When Spawning Processes

__main__ is the name of the environment where top-level code is run. “Top-level code” is the first user-specified Python module that starts ...

#92. Understanding Python __name__ Variable ...

When you run the script directly, Python sets the __name__ variable to '__main__' . However, if you import a file as a module, Python sets the module name to ...

#93. What does if name main do

As a software engineer, you may have come across the statement if __name__ == "__main__": while working with Python.

#94. Best practice for Python main function definition and ...

def main() -> None: # here would be code raising exceptions on error # note the `None` return type if __name__ == '__main__': main().

#95. I didn't understand __main__ concept?

The __name__ variable points to the namespace wherever the Python interpreter happens to be at the moment. Inside an imported module, ...