Read .csv file with columns of varying length as dictionary in Python Question: How do I read in a .csv file in Python with columns of varying lengths? I want to create a dictionary from the .csv file, with the .csv columns as lists of dictionary values. I’ve figured out how to write the dictionary …
Check for either key in python dictionary Question: I have a the following code to get some messages from a telegram bot with python: useful_messages = [i["message"] for i in response["result"] if i["message"]["from"]["id"] == int(chat_id) and i["message"]["date"] > last_time] Traceback (most recent call last): File "<stdin>", line 1, in <module> File "<stdin>", line 1, in …
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 …
Pandas Dataframe from matrix-like dictionary where keys are tuples of indices Question: I have a dictionary whose keys are tuples of the form (i,j) and whose values are matrix entries. So if you think of a mathematical matrix $A = (a_{i,j})$ then matrix_dict[(i,j)] would give the value of row i and column j. I would …
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 …
Extracting the Minimum x Value Keys from Dictionary Question: Suppose we wish to extract the minimum value from a dictionary like so scores = { 0:1.3399288498085087, 1:1.2672683347433629, 3:1.6999159970296505, 4:1.8410942584597279, 5:1.336658057628646 } #find minimum value in dictionary minimum_value = min(scores.values()) #get keys with minimal value using list comprehension minimum_keys = [key for key in scores if …
Tkinter Checkedbox in python is returning False for all Machines eventhough boxes are checked Question: I created a tkinter checkedbox to receive input from user to see which machines from date_and_time_dictionary they want to delete. You then press a tkinter button "Print Checkbox States" and if a box was checked the program will print out …
String variable not behaving correctly in json.dumps Question: I’ve got an API request I am sending and I gather the necessary data and compile it in the proper format into a string called compiled_string. When I try to include it in json.dumps, it is being changed so that my API request is not working properly. …
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’: …
