I’m taking a first look at the python language from Python wikibook. For sets the following is mentioned: We can also have a loop move over each of the items in a set. However, since sets are …
Easiest way to include a stop parameter in enumerate python?
Ss there a simple way to iterate over an iterable object that allows the specification of an end point, say -1, as well as the start point in enumerate. e.g. So if my object has a length of 10, what is the simplest way to to get it to start iterating at index 2 and stop iterating at index 9?
pop/remove items out of a python tuple
I am not sure if I can make myself clear but will try. I have a tuple in python which I go through as follows (see code below). While going through it, I maintain a counter (let’s call it ‘n’) and ‘pop’ items that meet a certain condition. Now of course once I pop the first item, the numbering all
Sort dictionary by the INT value of the value
There are many posts here about sorting dictionaries in Python so I was careful to read them and hope this is not a duplicate: I’m using a dictionary to hold words as keys and the occurrence of the …
Python ‘list indices must be integers, not tuple”
I have been banging my head against this for two days now. I am new to python and programming so the other examples of this type of error have not helped me to much. I am reading through the …
Why is my Project Euler problem #1 code returning the wrong result?
Problem 1 Project Euler, which asks you to find the sum of all multiples of 3 or 5 below 1000, so 3 + 5 + 6 + 9, etc. The correct answer is 233168 but my code is returning 266333. I’m not looking to use a different method, I’m wondering why this code isn’t working as is, from the debugging
Python DNS module import error
I have been using python dns module.I was trying to use it on a new Linux installation but the module is not getting loaded. I have tried to clean up and install but the installation does not seem to …
RuntimeWarning: divide by zero encountered in log
I am using numpy.log10 to calculate the log of an array of probability values. There are some zeros in the array, and I am trying to get around it using However, RuntimeWarning: divide by zero encountered in log10 still appeared and I am sure it is this line caused the warning. Although my problem is solved, I am confused why
How does one convert a grayscale image to RGB in OpenCV (Python)?
I’m learning image processing using OpenCV for a realtime application. I did some thresholding on an image and want to label the contours in green, but they aren’t showing up in green because my image …
How to decorate a parent class and make child classes use it? python
What I want is to create a class decorator to decorate a class and works on subclasses too. Imagine this class: and the real Test: what I want is to use a decorator in CustomBaseTest that finds all methods that starts with ‘decoratte_this_’ and execute custom code after and before. I already have the decorator, something like this: do you