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  1. def why(arr,elem):
  2. 	temp = min(arr,key=lambda x:abs(x-elem))
  3. 	return arr and [x for x,y in enumerate(arr) if y == temp] or None
  4.  
  5. a = [1,2,3,1,3,4,1,2,3,3]
  6. b = 3
  7. print why(a,b)
Success #stdin #stdout 0.01s 9016KB
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Standard input is empty
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[2, 4, 8, 9]
https://ideone.com/hqhwLn
language:
Python (cpython 2.7.16)
created:
9 years ago
visibility:
public

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