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Find 2nd max in list python

WebApr 9, 2024 · Largest = find_len (list1) Output. Largest element is: 45 Smallest element is: 2 Second Largest element is: 41 Second Smallest element is: 4. The time complexity of this code is O (n) as it makes two linear scans of the list, one for finding the largest and smallest elements and another for finding the second largest and smallest elements. WebMar 30, 2024 · alist= [-45,0,3,10,90,5,-2,4,18,45,100,1,-266,706] m = alist [:2] #m will hold 2 values, fill it with the first two values of alist for num in alist: m = sorted (m + [num],reverse=True) [:2] #appends num to m and sorts it, takes only top 2 m [1] #the second highest element. EDIT: changed to work with negative numbers. Basic …

Python program to find second largest number in a list

WebApr 6, 2024 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers. WebStep 1- Define a function to find the second largest number in the list Step 2- Declare variables and store the maximum nd minimum between the first and the second element in the list Step 3- Find length of list using len () and store in n Step 4- Run a loop from 2 to n peters dorfroman thalia https://matthewdscott.com

python - Numpy: Find index of second highest value in each row …

WebA very easy, quick way of obtaining the second largest number from a list. Except that the easy list processing helps write a program that runs through the list twice over, to find the largest and then the 2nd largest. It's also destructive - I need two copies of the data if I wanted to keep the original. We need: WebNov 18, 2024 · I don't think negative numbers are the issue here. If you shift them all upward to eliminates the negatives, I believe you will see an equivalent result. For this sample data, it is printing -3, which is the second largest value (as … WebNov 24, 2024 · You should find the maximum in the list and save its index. Then remove it from the list using the remove() function and then find the maximum of the new list (with … peters dominican barber shop

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Find 2nd max in list python

Find maximum value and index in a python list? - Stack Overflow

WebJun 2, 2024 · Method 1. This is a simple method to find the second largest element of a list. In this method, we will first sort the python list using the sort () method or sorted () … WebNov 18, 2016 · Flatten your list, and then you can use the max () builtin function: l = [2,4,6, [5,10,3]] def flatten (seq): for el in seq: if isinstance (el, list): yield from flatten (el) else: yield el print (max (flatten (l))) # 10 Share Improve this answer Follow edited Nov 20, 2016 at 16:27 answered Nov 18, 2016 at 15:24 Christian Dean 21.9k 7 50 83

Find 2nd max in list python

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WebFeb 1, 2024 · Method 4: Find the max list element on inputs provided by the user . Python3 # Python program to find second largest # number in a list # creating list of integer type. ... Python program to find second maximum value in Dictionary. Like. Previous. numpy.floor_divide() in Python. Next. WebFeb 20, 2024 · Python List max () Method Syntax: Syntax: max (listname) Parameter: listname : Name of list in which we have to find the maximum value. Returns : It return the maximum value present in the list. Python List max () Method Example Example 1: In this example, we are going to find the maximum integer value in the list.

WebSep 28, 2016 · Edit: If you want to find the maximum index (first value) out of all elements with the maximum value (second value), then you can do it like this. >>> _, max_value = max (data, key=lambda item: item [1]) >>> max (index for index, value in data if value == max_value) max_index = float ("-inf") max_value = float ("-inf") for index, value in data ... WebFeb 15, 2024 · find second largest number from list using for loop with python. list = [9, 6, 4, 10, 13, 2, 3, 5] max = list [0] second_last = list [0] for x in list: if x > max: max = x # Here is an issue with this statement if x > second_last and x != max: second_last = x print (second_last) Don't use list and max as names for your own variables.

WebJul 18, 2012 · This doesn't shadow built-in function max (), and also will give correct answers for lists that consist of only negative values. Previous solution a.index (max (a)) will do the trick. Built-in function max (a) will find the maximum value in your list a, and list function index (v) will find the index of value v in your list. WebJul 11, 2024 · Python program to find the second largest number in a list - In this article, we will learn about the solution to the problem statement given below.Problem statement − We are given a list, we need to display the second largest number in a list.There are three approaches to solve the problem−Approach 1 − We use the set() function & …

WebAug 13, 2024 · It's not printing the second min and second max. It's printing only min and max. a = list (map (int, input ().split ())) m1 = m2 = s1 = s2 = a [0] for i in range (len (a)): if a [i] > m1: m1 = a [i] if a [i] > m2 and a [i] < m1: m2 = a [i] if a [i] < s1: s1 = a [i] if a [i] < s2 and s2 > s1: s2 = a [i] print (m2, s2) python Share

WebOct 17, 2015 · First, flatten matrix, then only leave unique elements, then back to the mutable list, sort it and take the second element. This should return the second largest element from the end even if there are repeating elements in the array. peters drumsticks 24 pack colesWebI am trying to find the N biggest values from a list, and then print out their positions in the list. If I would only focus on the max. value, it would look like this: >>>>fr = [8,4,1,1,12] >>>>print fr.index (max (fr)) 4 However, my aim is to get an output like: 4,0,1 if it were for n=3. The 0 here shows the position of the second biggest value. peters drive in calgaryWebOct 22, 2015 · It begins by mapping each element of result list to the number value and then finds the max. The intermediate array is: >>> map (lambda x: x [3], resultlist) [8.3931000000000004, 6.3231000000000002, 9.1930999999999994] Share Improve this answer Follow answered Oct 21, 2015 at 21:30 Almog 711 4 10 Add a comment 12 peters drive-in edmontonWebSorting or Finding Max Value by the second element in a nested list. Python. I've written a program that gives me a list of tuples. I need to grab the tuple with with the max number in the second value. (840, 32), (841, 3), (842, 4), (843, 4), (844, 6), (845, 6), (846, 12), (847, 6), (848, 10), (849, 4), ..snip... peters drive in calgary deliveryWebMar 9, 2024 · Time Complexity: O(n log n) where n is the number of elements in the Input list. This is because the max() function sorts the list of lists to find the maximum value. The sorting operation takes O(n log n) time. Auxiliary Space: O(1), because we’re only storing the result of the max() function, which has a constant size of 1. peters drumsticks woolworthsWebAug 30, 2015 · Find the new highest element, and its index. This would be the second highest in the original list. Replace it by None. Find the new highest element, which is actually the third one. Optional: restore the found elements to the list. This is O(number of highest elements * list size), so it scales poorly if your "three" grows, but right now it's ... peter s drago highland park nj obituaryWebOct 20, 2024 · To find the second largest element in a list using a heap, we can first build a max heap using the elements in the list. Then, we can remove the root element (which is the largest element in the heap) and find the new root element, which will be the second … peters drumstick ice cream vanilla 24 pack