1 2 if __name__ == '__main__': # some logic here Every Python module defines a variable called __name__. It can either contain module name or __main__ depending upon how a module is executed.We can execute a Python file (or module) in two ways:...
Socket programming is a technique for connecting two applications, or nodes, on a network by using sockets as endpoints for transferring and receiving data. It is a key networking concept that allows programs to communicate data over local and remote networks. In Python, the socket module contains...
What is if __name__ == "__main__"? By: Rajesh P.S.In Python, the __name__ attribute is a special built-in variable that holds the name of the current module or script. When the Python interpreter runs a script or module, it assigns the value __main__ to the __name__ ...
Python calls__init__whenever a class is called Whenever you call a class, Python will construct a new instance of that class, and then call that class'__init__method, passing in the newly constructed instance as the first argument (self). ...
In Python, the __init__.py is a special file in python packages. It is used to indicate that how a directory should be treated. When Python encounters a directory during an import, first it looks for the __init__.py file to determine how to initialize the package and what code ...
The __init__.py file is used to indicate that a directory should be considered a Python package. It is a special file that Python looks for when importing modules from a package. The presence of an __init__.py file in a directory signifies that the directory should be treated as a ...
There are two types of packages in python, regular and namespace packages. The former requires__init__.pyfile whereas the latter does not. Any directory with an init python file is marked as a package by python and can be imported. ...
The @ symbol in Python is used to apply a decorator to an existing function or method and extend its functionality.For example, this piece of code . . .def extend_behavior(func): return func @extend_behavior def some_func(): pass
$pythonnamemain.py__main__ <class 'str'> The output shows you that the value of__name__is thePython string"__main__"if you run your file as a script. Note:In the top-level code environment, the value of__name__is always"__main__". The top-level code environment is often a...
python中的if __name__ == '__main__' what hell is it? python认为一切模块都可能被执行或者被import 如果一个模块是被import导入的,那么该模块的调用者可能仅仅希望使用模块的部分代码,而不是直接运行它 如果模块是直接运行的,那么像c或者java语言一样,需要一个入口main ...