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Moving specific number (without sort) to the left of list

I want to just move the zero’s to left and don’t want to sort the list. For example, if my list is like: Here’s the output which I desire after moving all the Zero’s to left: Here’s the code I tried: This code gives me output as: But my desired output is: Answer

Unable to run python file from terminal

I usually use PyCharm but, i was trying to run py extension file from terminal. I have already installed opencv-python. I tried pip3 install opencv-python also. Nonetheless, I am having the same issue. But, I am able to run those files from PyCharm. Answer It could be due to the fact that the terminal is usin…

how to get list of all variables in jinja 2 template file

I have a usecase where I want to get a list of unreferenced variables in a jinja2 template. I found some explanations on stackoverflow on how to do this, but not of these exaples use a file as a template, and I am very, very stuck Here is my code. Lines 8 and 9 can be omitted, ofc. here is

How does the statement for creating classes work in Python?

When I create a class Test defining one method “a”, a object Test, whose type is type ,is created. The dir function give-us the names of the attributes/methods of an object. But when I code: I get: from where did this “a” come from? I thought “a” would be a method from a ob…