Maximum value of a list according to another list in Python Question: I have two lists res2 and Cb. I want to print maximum value according to an operation as shown below but I am getting an error. I present the expected output. res2=[3, 4, 6] Cb=[[0,10,20,30,40,50,60]] for i in range(0,len(res2)): Max=max(Cb[0][res2[i]]) print(Max) The error …
Get dict from list of dicts with the maximum of two items Question: I would like to get the dict in a list of dicts which has the maximum of two values: manager1={"id":"1","start_date":"2019-08-01","perc":20} manager2={"id":"2","start_date":"2021-08-01","perc":20} manager3={"id":"3","start_date":"2019-08-01","perc":80} manager4={"id":"4","start_date":"2021-08-01","perc":80} managers=[manager1,manager2,manager3,manager4] I want to select the managers that have the latest start date, then get the manager with the …
manipulating 3D array in python Question: I’m getting the following error when I run the code given below. Still learning Python, so where am I going wrong in my understanding ? What is the fix? Traceback (most recent call last): File "main.py", line 26, in cube[1:3, 1:3]= [‘‘, ‘‘, ‘*’] TypeError: list indices must be …
Can python list sort key function take index instead of an element? Question: Take a look at this code: points = […] properties = [compute_point_property(point) for point in points] points.sort(?) Here I have a list of points, and I compute a property of each point. Then I need to sort the points by their corresponding …
How to create subelements with conditions in list? Question: I have a list like this a = [3, 2, 1, 2, 3, 1, 3, 1, 2] I’m trying to get a new list with elements separated in sublist for following conditions: 1-) Separate in sublists the sequences from 1 to N (N in this case …
Count dictionary keys and argmax in a list of list Question: Given: import numpy as np list_of_list = [ [‘ccc’, ‘cccc’, ‘b’, ‘c’, ‘b’], [‘ab’, ‘b’, ‘b’, ‘aa’], [‘c’, ‘b’, ‘c’, ‘c’, ‘b’, ‘c’], [‘bb’, ‘d’, ‘c’], ] my_dict = {key: None for key in ‘abcde’} list_of_list is simplified in this test example but it …
Mapping four string values to all different possibilities of two number ranges in a nested dictionary in python Question: I have the following lists. In reality these lists are a lot bigger but I simplified for the example. d = ["a", "b", "c", "d"] p = [1,2,3,4] a = [1,2,3,4] I need to map the …
Find timestamp difference in dictionary values within list of dictionary and capture dictionary with max difference to previous Question: I have a list of dictionary like below : [ {‘dt’: ‘2023-04-08T18:04:33.476+00:00’, ‘msg’: ‘VWX’ }, {‘dt’: ‘2023-04-08T18:04:16.814+00:00’, ‘msg’: ‘STU’ }, {‘dt’: ‘2023-04-08T18:01:40.504+00:00’, ‘msg’: ‘PQR’ }, {‘dt’: ‘2023-04-08T18:01:40.345+00:00’, ‘msg’: ‘MNO’ }, {‘dt’: ‘2023-04-08T18:01:40.068+00:00’, ‘msg’: ‘JKL’ }, {‘dt’: …
Find the most similar subsequence in another sequence when they both numeric and huge Question: I have two numeric and huge np.arrays (let’s call them S1 and S2, such that len(S1)>>len(S2)>>N where N is a very large number). I wish to find the most likely candidate part of S1 to be equal to S2. The …
How to filter entries from a list based on a criteria and get the index in Python? Question: I have a list say list=[1,4,6,3,2,1,8] and I want to filter this list based on the condition that entry>3 and return the corresponding index. So the output should be : [1,2,6] which corresponds to the values 4,6 …
