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  1. from functools import reduce
  2. from operator import itemgetter
  3.  
  4. expenses = [
  5.         ('Dinner', 80),
  6.         ('Car repair', 120),
  7.         ('csgo skins', 200)
  8.     ]
  9.  
  10. sum2 = reduce(
  11.    lambda a, b: a + b,
  12.    map(itemgetter(1), expenses))
  13. print(sum2)
  14.  
  15. from operator import add, itemgetter
  16. ...
  17. sum2 = reduce(add, map(itemgetter(1), expenses))
  18. print(sum2)
Success #stdin #stdout 0.02s 9240KB
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https://ideone.com/KnqksZ
https://stackoverflow.com/questions/74178016/what-is-the-right-way-to-achieve-this
language:
Python 3 nbc (python 3.7.3)
created:
1 year ago
visibility:
secret

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