Python – Having trouble with arranging a parallel list within a for loop based on user input Question: Slow beginner here. Trying to write a program that asks the user how many entries to make. From that number, it will then ask the user for their name and address to print in a parallel list. …
Why are for-loops much slower than broadcasting Question: Comparing two chunks of code for a simple matrix operation, the one with a nested for loop is much slower. I wonder: what is the underlying reason for this? This loop tuns for 2.5 seconds: m = np.zeros((800,8000)) for i in range(0,800): for j in range(0,8000): m[i,j] …
Python: How to get index from an Array of JSON? Question: So, I was able to answer my question before on how to get the value of a JSON from an array of JSON. But now I’m trying to convert it in Python(for selenium). Here is the Array of JSON: [ { "id": 3328367679, "inbox_id": …
Converting Object to Dataframe and it is giving me Value, Name, and dtype in each cell Question: I am running a for loop off a regression per item within a multi-item dataset. I want to output to give me the price point at the max revenue point of the parameters set in the np.arrange. Here …
How to iterate over a list of lists and update one of the sublists with content from previous iterations under certain conditions? Question: prev_names_elements = [] # keep track of names from previous iterations for idx, i in enumerate(["1", "2", "3", "4"]): if (i == "1"): i_list = [[‘Luciana’, ‘María’, ‘Lucy’], [‘jugando’], [], [‘2023_-_03_-_07(19:00 pm_—_23:59 …
how to loop through a list of integers Question: I’m trying to loop through a list of integers by using a for loop. However, we know that in python, int is not iterable. So I’m wondering if there’s any ways I can store integers in another way so that I can loop through the integers? …
How do I search for a specific value in a 2d array in Python? Question: I want to iterate through 2 specific rows of a 2d array to find a specific value, but I am unable to do so. In my program, I have read in a 2d array from a text file using the …
Is there any solution to substitute loops in Numpy? Question: I now have a simple loop for i in range(4): Q[i, x[i] : x[i] + 2] = 1 / 2 where Q = np.zeros([4,4]) and x = [0,1,0,1]. The goal of this question is to obtain the result of this loop without using loop but …
how to loop over a list of dataframes and change specific values Question: I have a list of dataframes. Each dataframe of the list has following format: (screenshot from spyder) On this list of dataframes, I perform several tasks. For example, I want to change the name of "specA" to "Homo sapiens" in all of …
Using For Loop and If Statement Together Question: I am trying to get a function, "mock_function", to iterate through the array, "x", and either square or cube its elements, depending on if the element is greater than 5 or not. I need the output to be an array as well, containing the elements squared or …
