I have a list of numpy arrays and want to firstly split the list and then concatenate all the arrays exiting in each sublist. Number of sublists is defined by: this is my list: The length of all_data is 8 and it should be firstly modified to be a list of n_sublist lists. I mean two sublists which first one
Tag: list
How to create a new list of all the words separating by each word and each line?
I have a text file as : sample.txt What I’ve tried is This results I want the result as: Answer After opening the file, you can use a list comprehension to iterate over lines, and for each line str.split on whitespace to get tokens for each sublist.
Values in Python lists getting overwritten
I am calculating some values for a certain type of matrix A of varying sizes. Namely the backward error, forward error, condition number, and the error magnification (everything with the infinity norm). My values get calculated and then I am trying to put them into lists, looping through increasing sizes of t…
Find the index of a nested dict within a list base on the dict’s nested value
i have a list of dicts how can i find the index of jane given only her phone number (8179482938)? Answer To get an index, you can do (lst is your list from question): Prints:
How do you remove corresponding x values of missing y-data from lists?
When I plot this graph the y-axis looks very off. Realising I need to remove the “” spaces in the list, I tried this method: This showed me a dimensional error. I don’t know how to only extract the corresponding values of x to the y values. Answer You can use pandas’ pd.to_numeric(R…
python transform 1d array of probabilities to 2d array
I have an array of probabilities: and I want to make it 2d array: What is the best way to do so? Answer One idea is use numpy.hstack: Or use numpy.c_:
Sort by specific date? numbers? included list in list
I am doing some works for studying, and stuck in some problems! I have this schedule lists And, I would like to sort this list by start date which is lists[1] What I tried to do is below Note, I don’t want to use any module such as date, time But, it switch the location of each items. Is there
how can I make my pygame konami code simpler?
I am currently working on a pygame game and my friends asked if i could implement a konami code. I thought it was a great idea so i implemented it. I made it in a way it would certainly work because I wouldnt have to deal with any errors. However.. the code got a bit larger then expected so i
How do I print the overlap value from two lists by trimming the first 3 letters using Python 3
My goal is using Python 3 to check if there are any top 3 letters that overlap between List_A and List_B, and print the overlap data from List_B. The following is the for loop of printing the overlap data between List_A and List_B. The output is Next, I try to select the first 3 letters and append them in the
Remove duplicated considering one element from a list of lists python
I basically have a list of list like this: I would like to remove the lists which contains duplicated values in index [0]. Also, i always need to have the list which its index [1] = ’20’, in this case [‘1348562275′, ’20’]. So my wanted list would be: Does anyone have any id…