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  1. f = lambda a:~-sum(a)/4+1
  2.  
  3. print(f([50]))# -> 13
  4. print(f([12, 50]))# -> 16
  5. print(f([25, 100]))# -> 32
  6. print(f([19, 35, 5, 200]))# -> 65
Success #stdin #stdout 0s 9024KB
stdin
Standard input is empty
stdout
13
16
32
65