/Python/Finding the Sum of a Symmetrical Sub-List

Finding the Sum of a Symmetrical Sub-List

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))

Similar codes

13 votes305 views1 answer
What is a slug
Python
34 votes317 views6 answers
Flask example
Python
0 vote329 views1 answer
Coercion python
Python
0 vote296 views1 answer
Pandas create average per group
Python
0 vote306 views1 answer
String acharacters count in python without using len
Python
0 vote339 views1 answer
Django never_cache example
Python
0 vote467 views1 answer
Raspbian run a python script at startup
Python
5 votes327 views2 answers
Argparse positional arguments
Python
0 vote327 views2 answers
Tkinter change ttk button color
Python
2 votes334 views2 answers
Python program to find first n prime numbers
Python