How to find the sum of all input elements of a list?

Question

Python

How to find the sum of any number of entered list items in python? (meaning numerical values).

Answer 1

One solution is to use the for statement

spisok = [1,2,3,4,5]
summa=0
for el in spisok:
    summa += el

Answer 2

sum

Answer 3

lst = [1,2,3,4,5,"string"]
sum([i for i in lst if str(i).isdigit()])
>>> 15

Answer 4

as an option, if according to the conditions of the problem it is impossible to use sum
Python 2:
Python 3:

from functools import reduce
from operator import add

x = reduce(add, [1, 2, 3, 4, 5])