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  1. let num=[1,2,3,4,5,6];
  2. let sum=num.reduce(myfun);
  3. function myfun(a,b)
  4. {return a+b};
  5. console.log("Total="+sum);
  6. console.log("Mean="+sum/num.length)
Success #stdin #stdout 0.03s 16708KB
stdin
Standard input is empty
stdout
Total=21
Mean=3.5