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a guest Jul 19th, 2019 57 Never
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  1. void main() {
  2.   assert(identical(score(''), 0));
  3.   assert(identical(score('A'), 1));
  4.   assert(identical(score('AED'), 4));
  5.   assert(identical(score('DG'), 4));
  6.   assert(identical(score('BCMP'), 12));
  7.   assert(identical(score('QA'), 11));
  8. }
  9.  
  10. int score(String str) {
  11.   int score = 0;
  12.   //Map declaration and definition
  13.   Map<List<String>, int> scrabbleDat = {
  14.     //list as a key and int as a value
  15.     ['A', 'E', 'I', 'O', 'U', 'L', 'N', 'R', 'S', 'T']: 1,
  16.     ['D', 'G']: 2,
  17.     ['B', 'C', 'M', 'P']: 3,
  18.     ['F', 'H', 'V', 'W', 'Y']: 4,
  19.     ['K']: 5,
  20.     ['J', 'X']: 8,
  21.     ['Q', 'Z']: 10
  22.   };
  23.  
  24.   for (int i = 0; i < str.length; ++i) {
  25.     //Trying to access map based on the str parameter
  26.     //Adding the value returned to score variable
  27.     score += scrabbleDat[scrabbleDat.keys.firstWhere((list) => list.contains(str[i]))];
  28.   }
  29.   return score; // returning the score
  30. }
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