nested_sum

nested_sum.py

#!/usr/bin/python3

T = ["abc",1, 10, [3,2,5], 20, [5,5], "50" ]

newList=[]
def nested_sum(newstedList):
    '''
    newstedList: list composed of nested lists containing int.
    newlist: New flat list composed of list elements.
    '''

    for i in range(len(newstedList)):
        if type(newstedList[i]) == int:
            newList.append(newstedList[i])
        elif type(newstedList[i]) == str:
            continue
        else:
            nested_sum(newstedList[i])
    # print(newList, "Sum:", sum(newList))
    return sum(newList)

print(nested_sum(T))