Posted By: Anonymous Given the following code from Leetcode: def combine(self, n: int, k: int) -> List[List[int]]: combs = [[]] for _ in range(k): combs = [[i] + c for c in combs for i in range(1, c[0] if c else n+1)] return combs How would one go about expanding the inner combs loop for …
Posted By: Anonymous I have a numpy array A which looks like this: array([list([‘nan’, ‘nan’]), list([‘nan’, ‘nan’, ‘apple’, ‘apple’, ‘banana’, ‘nan’, ‘nan’]), list([‘red’, ‘red’]), …, list([‘nan’, ‘festival’])], dtype=object) I want to convert this to an array in which each list contains only unique elements. For example, I want the above array to get converted to: …
Posted By: Anonymous Learning Python here, so sorry for any ignorance. Background – Assignment to make a tic tac toe game. Accomplished the goal, but trying to handle exceptions right now. At one point one of my variables is being passed with no type for some reason. The code in question is listed below choice …
Posted By: Anonymous I would like to analyse data with the following structure: parent transaction child transaction A child transaction AA child transaction AB child transaction AC child transaction B child transaction BA child transaction BB child transaction BC In this structure the child transactions (e.g. child transaction AA) may have children as well, I …
Posted By: Anonymous This block of code pulls in data from an API as a dict and fields are a list of the keys we want to find values for. In the function getTeamData it passes through the API data creating teams_list which is the returned value. The nested for loops are iterating over the …
Posted By: Anonymous I want to eliminate the nested loop in my code and I can’t seem to figure out the best way to do it. I have explained what I am trying to do below: I have a dataframe df. data = [[‘1A’, ‘apple’, ’35-44′, ‘male’, [‘apple’, ‘strawberry’, ‘pineapple’]], [‘1B’, ‘banana’, ’15-24′, ‘female’, [‘apple’, …
Posted By: Anonymous I have these values in a column ("results") of a pandas dataframe. It seems to be dictionary in a list. How can I create a new column "label" to get the value ‘POSITIVE’ from this ‘result’ column? Orginal column ‘results’ df=pd.DataFrame({ ‘results’:[[{‘label’: ‘POSITIVE’, ‘score’: 0.9989271759986877}], [{‘label’: ‘POSITIVE’, ‘score’: 0.9988722801208496}] ]}) I want …
Posted By: Anonymous The below code is returning None instead of False. Please help me understand the reason. def same_first_last(nums): for i in nums: if nums[0] == nums[-1] and len(nums) >= 1: return True else: return False print(same_first_last([])) Any help is appreaciated !!! Solution There are two scenarios based on your question: – Size of …
Posted By: Anonymous I have the following JSON data [ { "type": "carousal", "items": [ { "type": "story", "data": { "display_name": "grinning 1" } }, { "type": "story", "data": { "display_name": "grinning 2" } } ] }, { "type": "carousal", "items": [ { "type": "story", "data": { "display_name": "grinning 3" } }, { "type": "story", …
Posted By: Anonymous I have the next dict: # lists of dicts 0 (dict0) [ {‘hour’: ‘2:00’, ‘key1’: 1, ‘key2’: 501}, {‘hour’: ‘3:00’, ‘key1’: 2, ‘key2’: 502}, {‘hour’: ‘4:00’, ‘key1’: 3, ‘key2’: 503}, {‘hour’: ‘5:00’, ‘key1’: 4, ‘key2’: 504}, ] How can I split (in a pythonic way) this list into two lists of dicts …
Posted By: Anonymous I’m trying to display the names except the ‘name’ and trying to get the average of age without ‘age’ on the list and lastly get the average of the grade without the ‘Grade’. I have a problem I’m trying to print the names of the list without the first row in the …
Posted By: Anonymous I have a list of tuple like this one: [(6, 1), (7, 1), (1, 2), (3, 2), (5, 2), (2, 4), (4, 4)] I have ordered it respect to the second element and if you see the first two tuples, (6,1) and (7,1) have both 1, I would like to select a …
Posted By: Anonymous I have a dictionary with lists of lists. I would like sublists that have a certain ” element to be removed. Below I put how I’m trying to forward this. I’m having trouble removing the entire list. In the code below the element ” has been removed d = {‘af’:[[‘info01′,’info02’],[‘info03′,’info04’],[‘info05’,”]]} print(d[‘af’]) af2 …
Posted By: Anonymous Given a list of lists (e.g. the input_ls below): Do you know of a function which gives me the minimal list of lists (as a dictionary), with which I can construct the initial input_ls by "adding up" those lists (e.g. the output_dict below)? input_ls = [ [‘apple’, ‘banana’, ‘coconut’, ‘strawberry’, ‘mango’], [‘banana’, …
Posted By: Anonymous I have the following list in Python: my_list = ["yes", "yes", "no", "yes", "no", "yes"] I want to return a list of logical values, being True in case the corresponding list element in my_list is equal to "yes" and False in case the corresponding list element in my_list is equal to "no". …
Posted By: Anonymous I have to add the items of one list to another, what is the preferred way and why ? List<Integer> list1 = new ArrayList(); list1.add(1); list1.add(2); list1.add(3); Method #1: List<Integer> list2 = list1; Method #2: List<Integer> list2 = new ArrayList(); list2.addAll(list1) AFAIK that in first method list1’s reference will be assigned to …
Posted By: Anonymous I can change it undirectly like this: def myFun(x): for i in range(len(x)): x[i] +=2 access to items then change them lst = [10, 11, 12, 13, 14, 15] myFun(lst) print(lst) output: [12, 13, 14, 15, 16, 17] but can not this: def myFun(x): x = [20, 30, 40] lst = [10, …
Posted By: Anonymous I have a list of lists in the following format: l = [[1,2,3,4], [5,6], [7], [8,9,10]] and a pandas dataframe with the following column Value 1 3 5 9 My goal is to loop through every row in the value column in the dataframe to find what list the value is in. …
Posted By: Anonymous [True,False,True,False] and [True,True,False,False] it returns : [True, True, False, False] Why is the second element is True ? Solution Because Python doesn’t do element-wise vector operations like that. The way the normal and operator works is, if the first operand has a "true" value, then the result is the second value. Your …
Posted By: Anonymous I want to multiply the elements of 2 lists in scheme and save the result of each multiplication in a third list that is returned by a function and.. the lists will always have the same size The idea in python is this def multi_elements( l1, l2): save = [] for i …
Posted By: user16079291 Update: we believe to find some bugs in both solutions , you are invited to share your ideas too 🙂 I was trying to implement my own data structure which combines list with queue in C. my data structure has 2 pointers, front which points to the oldest member in the queue …
Posted By: Anonymous I have a userList and want to extract a sorted list of them which contains the total amount of each user by c#. The users may be more than one in the list. To do so I used another list usernameAndAmountList and used two cascading foreach loops. This works, but I want …
Posted By: Anonymous I have two unsorted lists as followed: A = [1, 3, 1.75] B = [0, 1.5, 2, 4] I want to make a list that includes the numbers in A and B in a sorted manner (e.g. ascending). However, I want to keep the sequence from each list as well. The suitable …
Posted By: Anonymous Hello guys I am having some issue trying to split my list into multiple element, my problem is the following: I have a list like that: list1 = [‘"22.23.24.25"’] (basically this list should represent an IP address but never mind) the problem is that I want to delete the quotation mark currently …
Posted By: Anonymous There are multiple text files in a folder and the requirement is to write a python code to read all the text files and extract date field after this bit of text "$published_date:" (For example ,published_date: January 02 2020) from each of the text files . Files consist of several lines along …
Posted By: Anonymous Following I have a list of items which I want to create a tree view of them I want to convert it to a parent and child format in python, I tried a lot. It’s been whole day I stuck solution for this problem. can anyone help me please a = [ …
Posted By: Anonymous I have this function: let calculate (candles: CandleData list) : decimal list = let inline range (q: CandleData) = q.High – q.Low let inline price (q: CandleData) = range q / 2m + q.Low let rec update (candles: CandleData list) (output: decimal list) lastPrice priceTracker rangeTracker stateTracker lambda = match candles with …
Posted By: Anonymous Let’s say I have a List of objects in javascript. _x000D_ _x000D_ demoList = [ { name: “first object”, value: “first value”, year: “first year” }, { name: “second object”, value: “second value”, year: “second year” }, { name: “third object”, value: “third value”, year: “third year” }, { name: “fourth object”, …
Posted By: Anonymous I am trying to find the probability of the numbers in a list.I have a list say: a =[62.0, 0.0, 67.0, 69.0, 0.0, 76.0, 0.0, 0.0, 69.0, 70.0, 73.0, 0.0, 0.0, 56.0, 80.0, 0.0, 59.0, 65.0, 78.0, 0.0, 43.0, 0.0, 87.0] i want to find out the probability of number from 0-25,25-50,50-100 …
Posted By: Anonymous I have the list [5,2,10,9,7]. I want to count all the pairs that satisfy the condition ( i<j and list[i]>list[j] ) For example, the index of 5 is less than the index of 2 but 5 is greater than 2 so increase the counter by 1 and the same for (10,9) and …
