13 мар. 2013 г. · You can use len(list(filter(my_condition, l))) . filter returns an iterable with all values such that a function returns True when applied.

24 февр. 2016 г. · Given a list of integers, what is the most Pythonic / best way of counting how many elements are within a certain range?

12 янв. 2023 г. · If you want to treat these two lists as a list of pairs, you can zip them together, with something like the following.

7 апр. 2014 г. · To count how many values in that list which is >= 1.3: sum(1 for x in mylist if float(x) >= 1.3) If you need to actually extract the list of numbers which ...

23 авг. 2019 г. · i need solution of code gives me only combination n where n(n1,n2,n3) n1+n2=n3. Add that as an if statement inside the for loop:

23 янв. 2021 г. · I have the following code in python: counter = 0 for el in mylist: if self.check_el(el): counter += 1 I want to make it in one line. Is it something that ...

27 сент. 2017 г. · I want to iterate over the elements and count them if they are over a certain value, but also only count them if they appear over the treshold value a minimum_ ...

19 нояб. 2009 г. · I'm trying to count the number of elements in a list that are equal to a certain value. The problem is that these elements are not of a built-in type.

9 мая 2013 г. · I am trying to find a simple and fast way of counting the number of Objects in a list that match a criteria. e.g. class Person: def __init__ ...

20 апр. 2020 г. · A simple way to do it would be to create an empty list, iterate through the current list and append all relevant items to the new list.