python - What would be the non-comprehension list way of doing this sum -

def nested_sum(l):     return sum( nested_sum(x) if isinstance(x, list) else x x in l ) 

this solution given eugenie in following post: sum of nested list in python

i trying recreate without using comprehension list, i'm not able it. how it?

the code uses generator expression, not list comprehension.

use loop , += adding results:

def nested_sum(l):     total = 0     x in l:         total += nested_sum(x) if isinstance(x, list) else x     return total 

or, if want conditional expression expanded if statement well:

def nested_sum(l):     total = 0     x in l:         if isinstance(x, list):             total += nested_sum(x)         else:             total += x     return total