Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 2 y…
Tag: python-3.x
TypeError: Cannot instantiate typing.Optional [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 2 y…
How to read .rtf file and convert into python3 strings and can be stored in python3 list?
I am having a .rtf file and I want to read the file and store strings into list using python3 by using any package but it should be compatible with both Windows and Linux. I have tried striprtf but read_rtf is not working. But in this code, the error is: cannot import name ‘read_rtf’ Please can an…
Pylint setup with pre-commit In python 3.5
I was trying to set up pylint with pre-commit in my project. I came to this answer where they tell how to set up my .pre-commit-config.yaml. When I went to the repository mentioned in the answer, they had written that This mirror repository is deprecated, use pylint directly. So I set my .pre-commit-config.ya…
How do I iterate through an entire directory and select only one class from a multi-class file in Python?
I could use some help iterating through a directory with multi-class files. Each sample contains two classes (for example, the first sample in my database is 1001, and this file includes 1001.dat and 1001.hea), and I want to iterate through my directory and access all .dat files separately from .hea files. Ri…
My while function is not returning any value ! What am i doing wrong
Quite newbie to this ! i have a dataframe that looks like this: i have written that looks like this: the expected output is : When i run my function i dont have any result … I mean the flag is not working properly. All rows are set to None What wrong here ? Answer Use numpy.select for this since
Python: Write list of lists to CSV
In my python script I’m having a list that has the following structure: and so on. I want to write this list to csv file in a way that every element is in separate row and every string in one element is in separate column. So I want to end up with the following result in csv file: Currently I
How to type hint a generic numeric type in Python?
Forgive me if this question has been asked before but I could not find any related answer. Consider a function that takes a numerical type as input parameter: This works with integers, floats and complex numbers. Is there a basic type so that I can do a type hinting (of a real existing type/base class), such …
Abstract dataclass without abstract methods in Python: prohibit instantiation
Even if a class is inherited from ABC, it can still be instantiated unless it contains abstract methods. Having the code below, what is the best way to prevent an Identifier object from being created: Identifier([‘get’, ‘Name’])? Answer You can create a AbstractDataclass class which gu…
How to reverse a list containing elements as strings starting with uppercase letter followed by lowercase letters
Answer See if this is what you are looking for :