Question

How to sum each combinations of X numbers from a list of N numbers in Python

Answer 1

from itertools import combinations 
  
X = 3
lst = [1, 2, 3, 4]
comb = combinations(lst, X) 

for ol in list(comb):
    sum = 0 
    for n in ol:
       sum += n
       print(n, end=" ")
    print("sum =", sum)



'''
run:

1 2 3 sum = 6
1 2 4 sum = 7
1 3 4 sum = 8
2 3 4 sum = 9

'''

 

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