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Oct 17th, 2018
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  1. const _ = require('lodash');
  2. const userJson = require('./user.json');
  3. const allGrades = userJson.allGrades;
  4.  
  5. function funkcja(){
  6.                
  7.     var numerator = [];
  8.     var denominator = [];
  9.     var weightedMean;
  10.    
  11.     for(var i = 0;i<allGrades.length;i++){
  12.         numerator[i] = (_.sum(allGrades[i].grades) + allGrades[i].weigth)
  13.         denominator[i] = (allGrades[i].grades.length * allGrades[i].weigth)
  14.     }
  15.    
  16.     weightedMean = _.sum(numerator) / _.sum(denominator);
  17.     return "\n Imię: "+userJson.name+"\n Nazwisko: "+userJson.surname+"\n a jego średnia ważona to: "+weightedMean;
  18. }
  19.  
  20. console.log(funkcja());
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