. When I import it, Python throws me an error because there are <> signs in the source file, e.g.: if (cnum < 1000 and nnum <> 1000 and ntext[-1] <> "s": ... I guess it's a now-abandoned sign in the language. What exactly does it mean, and which (more recent) s...
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 ...
0 In python,what does ++ mean? 36 What does ,= mean in python? 1 What is the difference between "=" and "+=" in Python? 0 += in Python when assigning it to third variable 6 Why can I repeat the + in Python arbitrarily in a calculation? 0 What does the plus sign do in th...
there is a function which returns two values, and we only are interested in the second return value. At the mean time, we don't want to create a variable because naming a variable is boring and may causes 'Not used variable' warning. ...
funcdef: 'def' NAME parameters ['->' test] ':' suite The optional 'arrow' block was absent in Python 2 and I couldn't find any information regarding its meaning in Python 3. It turns out this is correct Python and it's accepted by the interpreter: ...
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 :) ...
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 ...
What does the Star operator mean in Python - The asterisk (*) operator in Python has more than one meaning attached to it. We can use it as a Multiplication operator, Repetition operator, used for Unpacking the iterables, and Used as function *args. Sing
Python # echo.pyif__name__=="__main__":importsysdefecho(text:str,repetitions:int=3)->str:"""Imitate a real-world echo."""echoed_text=""foriinrange(repetitions,0,-1):echoed_text+=f"{text[-i:]}\n"returnf"{echoed_text.lower()}."if__name__=="__main__":text=" ".join(...
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:...