WebNov 24, 2024 · The Significance of __name__ and “__main__”. While running the code we write, Python does a lot of things in the background. It assigns special attributes to … Webpython中的if __name__ == '__main__' 冯陈楚卫我叫李俊 138 1 61-Python if __name__ == '__main__'【中文字幕】 摆渡-时间 83 0 _ if __name__ == '__main__' 狄笙 225 0 语法 - if __name__ == "__main__" - 程序入口 书闪BookChips 543 0 具有深层含义的最佳励志图片,看懂了说明你真正长大了 ST白酒医药 214 0 Python Tutorial - 15. if __name__ == …
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WebApr 6, 2024 · 要输出Python字典中的特定键对应的值,可以使用方括号 []和相应的键来访问值。. 例如,假设我们有以下字典:. 如果该键不存在于字典中,将会引发KeyError异常。. 因此,在访问字典中的键之前,请确保该键存在于该字典中。. 除了使用方括号 []来访问字典中的 … WebPython中的" if __name__ ‘__main__’ " "if __name__ __main__"这行代码主要的作用是调试某个模块的正确性。 script1.py >>>print(fThe __name__ ... mining in ancient egypt
Python - if __name__ ==
WebJan 7, 2009 · If you are running your module (the source file) as the main program, e.g. python foo.py. the interpreter will assign the hard-coded string "__main__" to the __name__ variable, i.e. # It's as if the interpreter inserts this at the top # of your module when run as … http://www.iotword.com/5012.html WebSep 19, 2024 · Creating a __main__.py File for Modules. The point of having the if __name__ == "__main__" block is to get the piece of code under the condition to get executed when the script is in the __main__ scope. While creating packages in Python, however, it's better if the code to be executed under the __main__ context is written in a separate file. mining impacts groundwater