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  1. f=lambda a,b:sum(range(a,b+1))**2-sum(x*x for x in range(a,b+1))
  2. g=lambda a,b:sum(sum(x*y for y in range(a,b+1)if x-y)for x in range(a,b+1))
  3.  
  4. print(f(91,123))
  5. print(g(91,123))
Success #stdin #stdout 0.02s 9936KB
stdin
Standard input is empty
stdout
12087152
12087152