Update one list with respect to another list in python Question: I’m very new in python. I just stuck in one problem. I have two lists, like – list1 = [1,2,3,4,5] list2 = [3,6,8,9,1,2,4,0,5] Now I have to check each value of list1 with that it is present in list2 or not. If all the …
How to avoid nested for loops in NumPy? Question: I have this code. n_nodes = len(data_x) X = np.zeros((n_nodes, n_nodes)) for i in range(n_nodes): for j in range(n_nodes): X[i, j] = data_x[i] ** j I want to do the same task with no loops used at all. How can I do that with NumPy functions? …
Nested for loop with if in one line for creating new column in dataframe Question: I have a dataframe "result" and want to create a new column called "type". The value in "type" will be the item value of a dict if the column "Particulars" in the dataframe contains value of the key. dict_classify={‘key1’: ‘content1’, …
Iteration via expandable nested 'for' loops without itertools Question: I am trying to make a list of iterations of the alphabet with itself to the n-th power but I am unable to find an appropriate way of achieving this. I would rather not use itertools for the time being. My idea is as follows, although …
Trying to check a list of list against multiple other lists Question: I have a 100,000 entry list of lists derived from a CSV that is derived from a firewall log. My vision is to end with a file that outputs the ports used between any two IPs, such as: 1.1.1.1. to 2.2.2.2 ports (25, …
Nested Loop Optimisation in Python for a list of 50K items Question: I have a csv file with roughly 50K rows of search engine queries. Some of the search queries are the same, just in a different word order, for example "query A this is " and "this is query A". I’ve tested using fuzzywuzzy’s …
Sublists from a python list such that first sublist contains first 2 elements of list, then first 3 elements and so on and Num as 3rd, 4th and so on Question: From a given list, I have to create sublists that follow a sequence as first 2 elements, then first 3 elements, then first 4 …
Updating a 2D Array with the output results of a nested loop in Python Question: I have a nested loop where I calculate 10 distances, and store them in an array b_array. Then into a_array another array which will is to keep the results for every image. The problem is that my code overwrites a_array …
Creating triangle pattern in python looping two characters using nested loop Question: Please help. I need to create this pattern: * * $ * $ * * $ * $ * $ * $ * * $ * $ * $ * * $ * The best I can do is: rows = 5 for …
How to nest loops N number of times python Question: I’m creating a program, which needs to nest loops N number of times. Is there any way to do this? Or do I need to do it manually? Wanted result: for i in range(N): #Do something for i in range(N-1): #Do something for i in …
