What does if __name__ == "__main__": do? Does Python have a ternary conditional operator? What are metaclasses in Python? How can I safely create a nested directory? Does Python have a string 'contains' substring method? What is __init__.py for? What does ** (double ...
Watch NowThis tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding:What Does if __name__ == "__main__" Mean in Python? 🐍 Python Tricks 💌 ...
Suppose you have two Python files: main_script.py and module_example.py. Contents of module_example.py: def say_hello(): print("Hello from module_example!") print("__name__ in module_example:", __name__) if __name__ == '__main__': print("This code is executed only when ...
The "SyntaxError: Missing parentheses in call to 'print'" error message is raised when you are using Python 3 and you have forgotten to include the parentheses when calling the print() function.
numpy.reshape(): In this tutorial, we will learn about the numpy.reshape() method, and what does -1 mean in this method.
Python module Python __import__ Python class What does __all__ mean in Python? - Stack OverflowBashir Alam He is a Computer Science graduate from the University of Central Asia, currently employed as a full-time Machine Learning Engineer at uExel. His expertise lies in Python, Java, Machin...
https://stackoverflow.com/questions/14379753/what-does-mean-in-python-function-definitions https://www.python.org/dev/peps/pep-3107/ Wow, I missed quite a broad area of knowledge - not only return value annotations, but also parameter annotations. Thank you very much :) ...
Python code to demonstrate the use of [:, :] in NumPy arrays # Import numpyimportnumpyasnp# Creating a numpy arrayarr=np.zeros((3,3))# Display original imageprint("Original Array:\n",arr,"\n")# working on all rows but a specific columnarr[1, :]=3# Display resultprint("Result:...
In this case, you use@add_messagesto decorategreet(). This adds new functionality to the decorated function. Now when you callgreet(), instead of just printingHello, World!, your function prints two new messages. The use cases for Python decorators are varied. Here are some of them: ...
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