What Does if __name__ == "__main__" Mean in Python? Theif __name__ == "__main__"idiom is a Python construct that helps control code execution in scripts. It’s a conditional statement that allows you to define code that runs only when the file is executed as a script, not ...
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__ variable if the script is being executed as the main program. ...
In this short article, we discussed how we can use the Python __all__ method to import the protected variables using various examples. Further Reading Python module Python __import__ Python class What does __all__ mean in Python? - Stack OverflowBashir...
In Python, __all__ is a list of strings that defines the names that should be imported when from <module> import * is used.
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. In Python 3, the print statement has been replaced with the print() function, which m...
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:...
numpy.reshape(): In this tutorial, we will learn about the numpy.reshape() method, and what does -1 mean in this method.ByPranit SharmaLast updated : May 23, 2023 NumPyis an abbreviated form of Numerical Python. It is used for different types of scientific operations in python. Numpy is...
What does -> mean in Python function definitions? 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 ...
The use cases for Python decorators are varied. Here are some of them: Debugging Caching Logging Timing A common practice for debugging Python code is to insert calls toprint()to check the values of variables, to confirm that a code block gets executed, and so on. Adding and removing calls...
parentheses are used as an indication of grouping or enclosing within programming languages . this grouping can involve anything from assigning variables to creating functions and running loops of code. in mathematics, parentheses can be used to indicate order of operations when dealing with complex ...