Hi
I have this list of ints:

selection:
  - 1
  - 4
  - 5
  - 7

I'd like to subtract 1 from each item, so that I will end up with:

selection:
  - 0
  - 3
  - 4
  - 6

I'd like to avoid adding an intermediary set_fact loop to do the math.
If I define this filter:

def subtract(number, amount=1):
    return number - amount

Then I can accomplish what I want using:

selection|map('subtract')

which is reasonably clean and understandable.

But before I add a new filter - is there any other way to achieve this?


thx


-- 
Dick Visser
Trust & Identity Service Operations Manager
GÉANT

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