Given a list x of number entries, I aim to find the number of identical consecutive entries, where the identical consecutive entries are taken out once counted. For example, if x = [4, 3, 1, 1, 3, 2, 4], the returned solution should be 4: I can use the for loop to count the identical consecutive entries, but …
Tag: list
list printing brackets within the output
here is my code I am getting this output I would like the below output Answer Or even better:
Why do the first two inputs I enter when I run my program repeat in the text file?
I’m trying to make a flash card generator, and I’m having trouble gathering the inputs from the text file. When the program asks the user for the questions and answers, it drops the information into a text file that will be used later, when the user wishes to review the information. However, whene…
How do I make a list of the same variable with different values? python
I am a complete newbie and this might be a dumb question: I need to make a list of the values as u can see down here. I will most likely need a for loop using append from what I have read till now but I cant really grasp how to do it in my case. I want to start
Creating a list merging the elements of a previous list and the values of a specific column of a data frame
I want to create a new list merging the elements of a previous list plus the values of a specific column of one data frame. See the example below. The list I already have: The column: The desired output: Answer IIUC, just loop over them:
Constant time list slicing
Is there a library or whatever class that extends or conforms to list APIs that allows slicing in constant time? With a list in Python, lst[1:] will copy the sublist which takes O(n) time. I need some alternative that all operations on lists like max, min, len, set and get would have the expected behaviour, o…
How do you separate a list into 2 based on what is in the list? [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 1 year ago. Improve this question So I was given this list. list = [“m2010″,”n1950″,&…
Dividing each corresponding element of two lists in Python
I have two lists in seperate text files and I need to divide each value by the corresponding value in the other list. The following is a smaal bit of the data from both files: I have opened both lists like this: I presume I have to use the proper loop to divide both lists but I haven’t managed to
Taking an element from a list/variable [duplicate]
This question already has answers here: Difference between del, remove, and pop on lists (14 answers) Closed 1 year ago. I’m trying to take a card away from the deck after the player’s cards have been dealt, so those cards aren’t dealt again. But here is my command error: Answer I think you …
How to create a list from dataframe pandas
My dataset contains columns of usersID and itemsID that they have purchased. Each user might have purchased more than 1 item. I neeed to make a list so that the key will be the userID and the values the itemsID he purchased for example if user_1 has purchased [item_20,item_25,item_32], my dataset contains 3 r…