I have two lists Ii0 and Iv0 containing numpy arrays. I am using argsort() to reorder elements in Ii0 to generate a new list Ii01. I want to use the same order to reorder elements in Iv0 to generate a new list Iv01. I present the current and expected output. The current output is The expected output is Answer…
Tag: list
Get Indeces of list of numbers Top N, next top N, and last top N
Given that I have a list of numbers: I want to separate it to top N’s three times. Which means I want to rank them. What I tried: But this only gives indeces of the topmost and not the next topmost value of the list. Answer Use: Output
How can I reference a string (e.g. ‘A’) to the index of a larger list (e.g. [‘A’, ‘B’, ‘C’, ‘D’, …])?
I have been racking my brain and scouring the internet for some hours now, please help. Effectively I am trying to create a self-contained function (in python) for producing a caesar cipher. I have a list – ‘cache’ – of all letters A-Z. Is it possible to analyze the string input (the &…
Creating a sequentially joined list using a for loop in Python
I need help creating a new list z, where I will have list values as y0, x0, y1, x1, y2, x2, y3 in vertical order as an array. output: z = [1, 1, 1, 0, 0, 2, 2, 2, 2, 4, 4, 3, 3, 3, 8, 8, 4, 4, 4] I tried this for loop iteration, but instead of the
Python: Building list of lists using dictionary recursion
I have a very complicated problem that I am sort of hoping to rubberduck here: I have a dictionary: whose structure wont always be the same (i.e., there could be further nesting or more keys in any sub-dictionary). I need to be able to generate a specifically ordered list of lists (contained sub-lists need no…
Concatenate two columns excepting strings from a list_pandas
I concatenate two columns for the situation where strings from column ‘words’ are not present in the column ‘sentence’. My code is: Additionally, I want to restrict the concatenation per row if, in column ‘words’ I have strings present in this list: Here is an example of ho…
Transform list to dictionary with ID’s and content [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 7 months ago. Improve this question Given list is llist = [‘4|right’, ‘ 2|left’, ‘ 2|down’,…
Python Regex for Searching pattern in text file
Tags in Sample.txt: <ServiceRQ>want everything between…</ServiceRQ> <ServiceRQ xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance>want everything between</ServiceRQ> .. Please can someone help me to get the regex? To extract the expected output from a text file. I want to…
Speed comparision for iterating over List and Generator in Python
When comparing usage of Python Generators vs List for better performance/ optimisation, i read that Generators are faster to create than list but iterating over list is faster than generator. But I coded an example to test it with small and big sample of data and it contradicts with one another. When I test s…
Subtract specific value from a list (of numbers) by user input
I’m a begginer in Python and i’m trying to do a program when the user chooses a number from a list, then after you type by how you much want to reduce this chosed number and then print the list. I know that using list[specific index], check if matches with user input and repeating over and over ag…