Python index of minimum in list. Find min and max value of multiple element in Python.

Python index of minimum in list Sorting is slowest here. Python has a built-in function to find the minimum value in a list. You can just remove the min and then get the min of the new list that has a new min , which would be the second min. Minimum and maximum of two lists using Python. index(min(lst)) I expect index_of_small to be index of 3 instead of index of 0. – grc. I need to swap the max and min in a list of distinct numbers. min([x for x in my_list if x > min_num]) For that, you'd iterate through the list (that's where O(n) comes from) and keep track of the k minimal elements seen so far, which can be done in constant time (since k is here a constant). You can leverage masking zeros from an array (or ANY other kind of mask you desire, even masks that are more complicated than a simple equality) and do pretty much most of the stuff you do on regular arrays on your masked array. min is stable (like Python sorting in general), and always returns the first copy of equal values. Example: [GFGTABS] Python # creating a list fruit = ["banana","cherry max(max(a),-min(a)) It's the fastest for now, since no intermediate list is created (for 100 000 values): In [200]: %timeit max(max(a),-min(a)) 100 loops, best of 3: 8. 0] and I want to find the index of the smallest number that is positive and above 0. For example List indexes of -x mean the xth item from the end of the list, so n[-1] means the last item in the list n. Auxiliary space: O(K), which is the size of the heap that is created by the heapq nsmallest() function to store the smallest K elements. With an axis specified, argmin takes one-dimensional subarrays along the given axis and returns the first index of each subarray's minimum value. This article will discuss various methods to find the index of the minimum Apr 17, 2023 · If my_list[i] is not a key in indices_dict, add it as a key with its value as a list containing only i. You can find the index of the maximum or minimum value in a list by passing May 5, 2023 · Method 5 : Using extend(),sort() and index() methods. Sorting has a time complexity of O(n log n), whereas the other methods are O(n). argmin() Function in Python. Thus a final tuple is returned with only a single iteration using a generator from the original list to "filter and replace" the NoneType indices. Using list comprehension you can select all numbers larger than min_num as follows: my_list = [x for x in my_list if x > min_num] By combining the two you will get your answer. You can also specify an axis for which you wish to find To find a minimum number you can use. Index of Minimum Value in a Python List. The algorithm used in this approach is the argsort function of the Finding max and min indices in lists in Python. minimum_index = Jun 4, 2022 · In this article, we will discuss different ways to find the index of the minimum element in a list in python. E. where(df == (df. For example, min(my_list) finds the Aug 16, 2023 · By determining the index of the minimum element, we can locate the exact position of the smallest value within the list. Find the minimum element of my_list using the min() function and store it in Oct 31, 2024 · Approach 2: Using min() and index() Python provides some built-in functions that can help optimize finding the minimum index: min(list) – Returns the smallest element in a list ; Jul 7, 2024 · 1. 8 Experiment 2: Min: 0. # Define a function 'position_max_min' that finds the positions of the maximum and minimum values in a list def position_max_min(nums): # Find the maximum value and Oct 8, 2021 · Index of Minimum Value in a Python List. ; end (optional): The position from where the search ends. notnull() and Sometimes, while working with Python lists, we can have a problem in which we intend to find the position of minimum element of list. index(min(lst)) This is the best answer for values of the array (not indexes) in Oct. In this example, we are using min() to locate the smallest item in Python in a list. Finding max and min indices in lists in Python. Sorry about formatting if incorrect. – I have a list = [5,2,3,10,1,10,5,6,5,8,10]. partition(). Summing max & min of a list. Below is an example of a Python function which gets the index of the minimum of a list of numbers. index_of_small = lst. First instance, it will replace the largest and smallest elements in the list with the number 5000 (for largest) and -5000 (for smallest). So, please consider the next example list find out the position of the maximum in the list a: >>> a = [3,2,1, 4,5] The right hand side of the assignment (list[list. Ask Question Asked 9 years, 4 months ago. For keeping track of the minimal elements, you can use a heap (module heapq), or a list. I. Creating a linked list in Python. Method #2 : Using map() + min() + zip() This works in almost similar way as the above method, but the difference is just that we use map function to build the min element list rather than In the above example, we use a list comprehension to iterate over the indices and elements of the list obtained using the enumerate() function. The min() function in Python is a versatile built-in function that returns the smallest item in an iterable or the smallest of 2 or more arguments. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have a list with several minimum: some_list = [1,4,6,4,1,7] Is there a built-in function or any smart solution to get the index of the minimums? result = [0,4] I made it like this so far, but I now I want to make a comprehension list based on the above lists to get the minimum values excluding zero. on [10,14,8,12,4,6,4] it gives me min_index = [0,2,4,6]. 0). next == None and not if ll == None. 2 ms per loop In [203]: %timeit max(abs(n) for n in a) Thanks and thanks to @tom-fuller as well. Modified 5 years, Find a min for each list, then find a min among them. However I also need the know the index of the location(s) where this value occurs. lst_copy = list(lst) lst. Take the Three 90 Challenge! Finish 90% of the course in 90 days, and receive a 90% refund. Python: return the row index of the minimum in a matrix. I came up with the following and it works as you can see with max, min and others functions over lists like these:. Create a new list with same elements of test_list using extend() method. Direct Indexing is the easiest way to access an element in a list of lists. Find min/max by index in list of lists. Then I need to return random elements from those elements. numpy. Your get_min function contains the following mistakes:. so that the expected output is Find the minimum value in a python list. Please correct me if wrong, but evidence that this partition function works correctly is to run the following in a loop: y = np. where as it is the fastest option. Right now my code looks like import . By determining the index of the minimum element, we ca Index of min element. Feb 12, 2024 · Python Find Index of Minimum in List Using the min() and index() Functions. min()). Jul 27, 2023 · Practical example: Find the index of the maximum/minimum value. I made a copy of the list so it would work but probably don't need to do that. Syntax: list_name. min())), df. – Given a list of N integers, the task is to write a Python program to find the index of the maximum element in the Python list. value when the list has more than one element, the minimum of the list I would like to index a list with another list like this L = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'] Idx = [0, 3, 7] T = L[ Idx ] and T should end up being a list Lists of lists, also known as nested lists or sometimes 2D lists, are powerful structures in Python for managing multi-dimensional data such as matrices or tables. append(t[index]) # If the item matches the min, append the key to list Python get index of minimum value in nested dict. We use the row and column indices directly to fetch the data we need. To solve this problem, you can use the min() Feb 26, 2024 · We can easily find the index of the minimum value in a list using a loop in Python. where(x == x. Python Finding the min and max of a I need help to write a python function for lists that will do two things. You can also define your Python function for the same, but the question here is to find the index of the minimum Then the min() gets called and uses the enumerate() return with lambda to check the values in the i[1] index (e. 8 ms per loop In [202]: %timeit max(map(abs,a)) 100 loops, best of 3: 13. Find the minimum value in a python list. python; pandas; numpy; indexing; min; Share. g. 1 1 1 Finding the index of the minimum of each list in a list of lists. next is None it means that your list only contains one item. random. We check if each element is equal to the minimum value in the list, determined by the min() What I want is to get the index of row with the smallest value in the first column and -1 in the second. You can use the builtin min function to do this. Using min() and index() functions. Input: [ 10, 1, 5, 3, 8, 9, 7 ] Output: Index of the max element in a list is 0 More Python min() Examples. append( sublist[0] ) min_value = min( lst2 ) where lst is you original list of lists. a. index() will find the index of the first item in the list that matches, so if you had several identical def min_keys(d, index): # Initialize lists values = [] matches = [] # Append tuple items to list based on index for t in list(d. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog Python List Methods are the built-in methods in lists used to perform operations on Find Python min integer from the list [GFGTABS] Python numbers = [23,25,65,21,98] print(min(numbers method inserts an item at a specific index in a list. Find the minimum element is OK: RSS_min = RSS[RSS != 0]. index(minimum)], list[i]) is computed first, then assigned to the tuple on the left list[i], list[list. In this example, we find the minimum element in different reference using Python min(). Commented Finding the index of the minimum of each list in a list of With an axis specified, argmin takes one-dimensional subarrays along the given axis and returns the first index of each subarray's minimum value. arange(10) ; np. While it works but it is less efficient than using min() or a for loop. So either this isn't your real code (minimal reproducible example that aren't The list represents a series of experiments, each with a minimum and a maximum index. I would like to index a list with another list like this L = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'] Idx = [0, 3, 7] T = L[ Idx ] and T should end up being a list Finding max and min indices in lists in Python. min(x)) solution can capture multiple minima. Python List Exercises, Practice and Solution: Write a Python program to find all index positions of the maximum and minimum values in a given list of numbers. 0, 240. partition(3) ; assert y[:3+1]. Find the index of minimum values in given array in Python. Then, pass this minimum value to the index() function which returns the index of the element. You could also flatten into a single dimension array with arrname. Approach. I'm guessing the next part, but I assume list[i] is assigned to, then list[list. Hot Network Questions How many rings does cubane have? List indexes of -x mean the xth item from the end of the list, so n[-1] means the last item in the list n. Python | Find minimum of each index in list of lists Sometimes, we have encountered such problems in which we need to find the minimum of each column in a matrix i. Instead, make your main object return a list of values, and simply call the Python min() function. Improve this answer. argsort() function. To retrieve the k largest, simply pass in -k. When implementing algorithms such as minimax in Python, you might need to determine the index of the maximum or minimum values in a list. 4 From a list of tuple l, I need to filter the element which is at least euclidean distance from tuple x. If you want a list of the indices to be returned, then you need to transpose the array before you make a list. 5 Max: 130. For example, if I want to find the index of the minimum value after index 1, then index 1 is 2 which means the minimum value is 1 which is index 4. printing max or min element from a list in python. In that case the minimum of the list is the item itself, i. Using for loop & index() to Get Min Index. 2019. index() 函数获取列表最小值的索引. Apr 17, 2023 · To find the index of given list item in Python, we have multiple methods depending on specific use case. I have a list: lst = [0, 500. index(minimum) a Index of Minimum Value in a Python List. where, itertools. min(my_list) However, you are looking for the minimum number that is higher than min_num. Stack Overflow. flatten() and pass that into the built-in min function. . Display output list. # Define a function 'position_max_min' that finds the positions of the maximum and minimum values in a list def position_max_min TL; DR: use np. argmin() I obtain: ij_min = 0, which is Time complexity: O(n log K) where n is the length of the list test list and K is the number of smallest elements required. 3 list. array(searchlist)>x)[0] or if you need the answer as an integer index: Python Find Index of Minimum in List Using the min() and index() Functions. So either this isn't your real code (minimal reproducible example that aren't Python Exercises, Practice and Solution: Write a Python program to find the index position and value of the maximum and minimum values in a given list of numbers using lambda. I'm pretty sure there's a simple way, but I can't Revisiting my last comment -- this works for indexing or as a sequence of indices, but only because argmin returns just one value, even if the minimum occurs multiple times. Like so: Example input 3 4 5 2 1 Example output 3 4 1 2 5 I figured using this would make the most sense: a = [3, 4, 5, 2, 1] a[a This is not reproducible, the program never gets the second value. # Define a function 'position_max_min' that finds the positions of the maximum and minimum values in a list def position_max_min The list represents a series of experiments, each with a minimum and a maximum index. The python has a built-in function of min() which returns the minimum value in the list. length-1] to access the last item of a list. However, since you've already assigned to list[i] you've already modified the list before finding list. In Python, we have some built-in functions like min Feb 12, 2024 · It is straightforward to use built-in list functions like max(), min(), len, and more to return the maximum element, smallest element, and list length. Suppose there are more than one elements in l whose euclidean distance is minimum at same time. 3. I've tried a number of different approaches: df. Example 1: Find Python Min of List. To find the index of the minimum of a list, we just need to keep track of the minimum and the index of the minimum, and loop over the list of numbers. Can I do this using list comprehension or lambda function?You can take l = [(0,0), (1,1), (2,3), (3,4), (4,5)] and x=(3,0). I need the min in the entire dataframe (across all values) analogous to df. Let’s discuss a shorthand to achieve this task in this case. 5. 2. So basically, np. Dec 31, 2024 · Python Exercises, Practice and Solution: Write a Python program to find the index position and value of the maximum and minimum values in a given list of numbers using lambda. Share. Find min and max value of multiple element in Python. How to find the index of only one minimum value in a list containing more than one minimum value. More Python min() Examples. start (optional): The position from where the search begins. argmin() function in Oct 23, 2024 · Explanation: The sort() function sorts the list in ascending order. In my example, I would like to get 2 which is the index of [ 5, -1]. Find min value in array > 0. develarist develarist. Note: This method is not recommended for finding the smallest number in a list. AlexR AlexR. You can also define your Python function for the same, but the question here is to find the index of the minimum Feb 24, 2023 · Time Complexity: O(n*m) where n is the number of sublists in the test_list and m is the length of the sublists. index(elem)) In the for loop, each element of the set is taken and the index of the element in the list is taken out using list. index(minimum)]. You can also define your Python function for the same, but the question here is to find the index of the minimum Hi Jonas, I don't think your array idea will work (in general) without tweaking the logic - if you just change min_index = val to min_index. Auxiliary Space: O(n) where n is the number of sublists in the test_list. Revisiting my last comment -- this works for indexing or as a sequence of indices, but only because argmin returns just one value, even if the minimum occurs multiple times. But if ll. max() < y[3+1:]. 4 Python | Find minimum of each index in list of lists Sometimes, we have encountered such problems in which we need to find the minimum of each column in a matrix i. Only the last two elements refer to a minimum. Rather than returning a list of values, it is better to . Using the built list lst2 you can output all values at index 0 of sub-lists that have at index 1 a value equal to 2. You can also specify an axis for which you wish to find lst2 = [] for sublist in lst: if len( sublist ) >= 2 and sublist[1] == 2: lst2. Each list element has a distinct index that increases by one with each additional element after the first, starting at zero for the first element. It turns out to be slower in python 3 though. So even for lists of 1000 elements, the min() and max() functions are fastest. np. argmin returns the index of the minimum value (of course, you can then use this index to return the minimum value by indexing your array with it). Find the smallest positive number not in list. 29. If you are happy to use numpy (imported as np here), then the following will work on general lists (sorted or unsorted):. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company 在 Python 中使用 min() 和 list. To get all indices of the minimum value, you could do. The four following methods produce what you want. e minimum of each index in list of lists. It's an unusual convention that only a few other languages besides Python have adopted, but it is extraordinarily useful; in any other language you'll spend a lot of time writing n[n. The numpy. Stay on track, keep progressing, and get Jan 7, 2025 · Syntax of List index() Method. a local minimum). The fact that heapq then returns a Python list could be seen as an advantage over numpy. Getting greedier; consider the input list 'd' as the following. compress and also list comprehension. idxmin returns the index of the minimum value in a vector. Its Another way: >>> [i for i in range(len(a)) if a[i] > 2] [2, 5] In general, remember that while find is a ready-cooked function, list comprehensions are a general, and thus very powerful solution. Follow answered Nov 16, 2019 at 19:55. So, please consider the next example list find out the position of the maximum in the list a: >>> a = [3,2,1, 4,5] Python Exercises, Practice and Solution: Write a Python program to find the index position and value of the maximum and minimum values in a given list of numbers using lambda. index(minimum) a This is not reproducible, the program never gets the second value. But sometimes, we can have multiple minimum elements and hence multiple minimum positions. : >>> def find_indices(lst, condition): Plus I was actually trying to find the minimum length out of these lists within a list. compress, and list comprehension. where(df == df. Whether we’re checking for membership, updating an item or extracting information, knowing how to get an index is fundamental. May 30, 2024 · How can I get the index of the minimum value in a list in Python? To get the index of the minimum value in a list in Python, you can use the index method along with the min function. 19. Lists of lists, also known as nested lists or sometimes 2D lists, are powerful structures in Python for managing multi-dimensional data such as matrices or tables. e. index(x) 方法。 以下代码示例向我们展示了如何使用 Python 中的 min() 和 list. Method 3: Using numpy. See the detailed comparison below, where it can be seen np. This kind of problem is quite common and useful in competitive programming. index() will find the index of the first item in the list that matches, so if you had several identical Sometimes, while working with Python lists, we can have a problem in which we intend to find the position of minimum element of list. min()) Top 10 Ways to Retrieve the Index of Maximum or Minimum Values in Python Lists. As a practical example, find the index of the maximum or minimum value in a list. ; After sorting, the first element (a[0]) will be the smallest. Next, we have created an insertAtBegin() method to insert a node at the beginning of the linked list, an insertAtIndex() method to insert a node at the given index of the Find min in list - python. index(max(a)) will do the trick. 1. Your options are np. In this LinkedList class, we will use the Node class to create a linked list. Examples: Input : lst1 = [10, 20, 30, 40, 50] lst2 = [0, 2, 4] Output : [10, 30, 50] Explanation: Output I need to swap the max and min in a list of distinct numbers. Python: Minimum of lists using custom function. shuffle(y) ; y. 0, 500. ll. 0, inf, , 5. where outperforms both itertools. Yes. Time complexity: O(n log K) where n is the length of the list test list and K is the number of smallest elements required. index(min(row)) for row in h_new] #position #position of minima (row) #of frames is I have a list: lst = [0, 500. Ask Question Asked 7 years, 6 months ago. This can be done: l=[1,2,2,3,4,5,5,5] # Your list indexes=[] # Your output list for elem in set(l): indexes. 0. append(l. 01 Max: 130. By combining them, you get what you are looking for, in this case the index value 3. Min / max from nested list. Examples: Input : lst1 = [10, 20, 30, 40, 50] lst2 = [0, 2, 4] Output : [10, 30, 50] Explanation: Output Python List Exercises, Practice and Solution: Write a Python program to find all index positions of the maximum and minimum values in a given list of numbers. Stack Overflow min_columns = [row. index() method (which returns the index of the first element of the required type) and the value is inserted into the indexes list. min() but for the index, I've tried: ij_min = np. Like so: Example input 3 4 5 2 1 Example output 3 4 1 2 5 I figured using this would make the most sense: a = [3, 4, 5, 2, 1] a[a This can be done: l=[1,2,2,3,4,5,5,5] # Your list indexes=[] # Your output list for elem in set(l): indexes. I wrote this min(len(a[0]),len(a[1]),len(a I just assumed the second was more efficient as it's slightly faster in python 2. Master everything from Python basics to advanced python concepts with hands-on practice and projects. Below are several effective methods to achieve this, complete with practical code examples. argwhere(np. >>> from itertools import compress >>> import numpy as np >>> t = [False, False, False, False, True, True, False, Python get max and min from list of dicts. where(RSS == RSS_min) which gives me: ij_min = (array([3]), array([20])) I would like to obtain instead: ij_min = (3,20) If I try : ij_min = RSS. Follow asked Nov 3, 2020 at 13:06. Indeed the minimum of the empty list is not well-defined. Its Feb 2, 2024 · In the above code, we get the index of the maximum value in the list list1 with the numpy. Even if it didn't, the . @protagonist I don't understand your comment. Get Index of the Minimum Value of a List With the numpy. We use a for loop in python to iterate over the elements of a Jul 7, 2024 · 1. Example: Input: [ 2, 4, 6, 1, 8, 5, 3 ] Output: Index of the max element in a list is 4 Explanation: The max element is 8 and its position is 4. index(element, start, end) Parameters: element: The element whose lowest index will be returned. Note that . Modified 9 years, 4 months ago. Slice the list till K index. min()) I have a list in python that is essentially a list of lists. min() did the partition i have the following code to compute minimum and maximum values of a list in order to save memory efficiency x_min = float Get one resulting list with the max or min by index in a nested list. The algorithm used in this approach is the argsort function of the I came up with the following and it works as you can see with max, min and others functions over lists like these:. Get min max from the list inside a list. 9 Max: 103. Write a function min_element_index(arr) that takes a list of integers arr as an argument and returns the index of the element with the minimum value in the list. 1 Experiment 3: Min: 0. 7. For example, in the list above, the minimum and maximum would be as follows: Experiment 1: Min: 0. Maximum value and Minimum value from list of lists python 2. I would like to find the minimum value within a range of values in that list (i. You can also define your Python function for the same, but the question here is to find the index of the minimum Given two lists with elements and indices, write a Python program to find elements of list 1 at indices present in list 2. index(min(lst)) Masked arrays in general are designed exactly for these kind of purposes. min() 函数在 Python 列表中给出最小值。上一节已经讨论了 list. Nothing prevents you from writing a find function in Python and use it later as you wish. 16. lst = range(10) print min(lst) EDIT: I agree that the answer that was accepted is better. Any good Python tutorial should have told you this. In case of list, time is O(nk) and in case of heap time is O(nlog k I need help to write a python function for lists that will do two things. Calculating minimum or maximum by index in list of lists. Let's discuss certain The right hand side of the assignment (list[list. index(min(lst)) I expect index_of_small to be . a = [12, 10, 50, 100, 24] print min(a) If you really want to use loop, minimum = a[0] for number in a: if minimum > number: minimum = number print minimum You can use max function to find the maximum in a list. values()): values. Structure of Bellman equation and time indexes What are the default variable names in Latex for the width and height of an image? Why is the United Kingdom often considered a country, but the European Union isn't Lists of lists, also known as nested lists or sometimes 2D lists, are powerful structures in Python for managing multi-dimensional data such as matrices or tables. We check if each element is equal to the minimum value in the list, determined by the min() 1) NUMPY ARGWHERE, general lists. – Martijn Pieters. the base case should be if ll. Skip to main content. Find minimum values in a python 3. I want to find the index of the minimum value after a certain point. min(). Masked arrays in general are designed exactly for these kind of purposes. Find nth smallest element in numpy array. Previous solution. append(val) this will pick out a descending subsequence rather than pointing out global minima. Using index() method is the simplest Feb 27, 2024 · This line of Python code finds the index of the minimum value in the list using the min function along with the range function to iterate over indices and a lambda function to determine the key for comparison. argmax() function. How to find max and min numbers in list within list. Input: [ 10, 1, 5, 3, 8, 9, 7 ] Output: Index of the max element in a list is 0 May 30, 2024 · Out of 7 integers, the minimum element is 12 and its index position is 0. The where(x == np. Nov 28, 2024 · Learn Python from scratch with our Python Full Course Online, designed for beginners and advanced learners alike. Sort that list using sort() function. 82 ms per loop In [201]: %timeit abs(max(a,key=abs)) 100 loops, best of 3: 13. find lowest value and pop from multiple lists in Python. Initiate a for loop to traverse sliced list and append index of element of sliced list in original list to an output list. remove(min(lst)) lst_copy. argmin() with a condition for the second column to be equal to -1 (or any other value for that matter). Hot Network Questions How many rings does cubane have? Then the min() gets called and uses the enumerate() return with lambda to check the values in the i[1] index (e. It doesn't return all indices of a single minimum value. TL; DR: use np. >>> from itertools import compress >>> import numpy as np >>> t = [False, False, False, False, True, True, False, Index of Minimum Value in a Python List. ; We will cover different examples to find the index of element in list using Python and explore Jul 27, 2023 · Given a list of N integers, the task is to write a Python program to find the index of the maximum element in the Python list. Here, we will iterate all elements in the list and compare whether the element is minimum to the Aug 16, 2023 · Python Finding the index of Minimum element in list - The position of the smallest value within a list is indicated by the index of the minimum element. 26. index() 函数获取 As you mentioned, numpy. minimum of list of lists. Let's discuss certain Given two lists with elements and indices, write a Python program to find elements of list 1 at indices present in list 2. 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. This task is easy and discussed many times. Viewed 2k times Calculating minimum or maximum by index in list of lists. index call works from left to right and stops when it gets a hit, so you'd always pop out the first of the two values. In the above example, we use a list comprehension to iterate over the indices and elements of the list obtained using the enumerate() function. Improve this question. Commented Mar 1, 2014 at 18:03. In this class, we have an __init__ method that initializes the linked list with an empty head. cqihs fdhiu fipic lhnq yvvx eqgygj dcplt xcvop ruutc xvbil