Given a python list with alternating values of two types: How can I combine every two values to get something like this: Answer You can simply use range()’s step parameter and list indexing. Output:
Tag: list-comprehension
compare list elment to a string
I have the following list and the following string I want to check if any element in the list is in the string I tried using however it gives false seems python can’t recognize the element in the string, is there a way to check elements from list to a string if there is a match. i did it successfully
Dictionary of Words as keys and the Sentences it appears in as values
I have a text which I split into a list of unique words using set. I also have split the text into a list of sentences. I then split that list of sentences into a list of lists (of the words in each sentence / maybe I don’t need to do the last part) I want to write a loop
How do I convert dict of dicts/nested dicts into dict of list
Heres the original dict What I am trying to get The keys in original dict represent uid. This is my what I have done: But I am rather looking for a generalized approach, to achieve without manually declaring the keys again, just so it should work with new keys in the original data. Answer Generalized (based on original version by
How to replace a value for a key in dictionaries of a list based on another dictionary?
Here’s a sample of the data: I have over 16k dictionaries with several items in the list. What I want to do is replace the value of name in this dictionary from another dictionary which consists of the old name and new name. How can I do this? One way that I could think of is the following: This works,
Printing a list of tuples in a formated form with f-strings by a list comprehension
I want to print out a list of tuples in a formated form… I have the following list which contains a tuple formed by a string and other tuple of floats: I have the following code However it is causing a error such as I need to print them as follows: print the first element of the tuple, then for
Perform a list comprehension inside of a for loop in Python [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 1 year ago. Improve this question In short what I need is to get for each element from this
Use List Comprehension to get the top n items
I tried: but that won’t work because sort() doesn’t return the sorted list Answer .sort() sorts the list in-place list.sort() sorts the list in-place, mutating the list indices, and returns None (like all in-place operations) so you’d have to do this: Output: The difference between .sort() and sorted() in Python.
Convert a list of objects to a dictionary of lists
I have a list of JSON objects, already sorted (by time let’s say). Each JSON object has type and status. For example: I’d like to convert it to: So of course it’s an easy task but I’m looking for the Pythonic way doing that, so it will spare me a few lines of code Answer I don’t know if there
Python – Create a list of objects based on counts of another list of objects
I have a list of objects and I want to create another list of items but grouped by “Name” and two fields which are number of instances of a particular instance type. I have this : I am trying to get a count of the number of different “Type” columns whilst discarding any other column – RandomColumnX in this case.