Finding the Sum of a Symmetrical Sub-List

Misty Mongoose answered on October 25, 2021 Popularity 2/10 Helpfulness 3/10

answer Finding the Sum of a Symmetrical Sub-List

Finding the Sum of a Symmetrical Sub-List

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import numpy as np

def symmetrical_sum (arr):
    l = len(arr)-1
    bool_arr = np.array([x==arr[l-i] for i,x in enumerate(arr)])
    idx_arr = np.where(bool_arr==True)[0]
    if len(idx_arr):
        res = arr[min(idx_arr):max(idx_arr)+1]
    else:
        res = []
    return (res, sum(res))

Popularity 2/10 Helpfulness 3/10 Language python

Source: Grepper

Tags: python sum

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Contributed on Oct 25 2021

Misty Mongoose

0 Answers Avg Quality 2/10

Finding the Sum of a Symmetrical Sub-List

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