// TODO:
double average = 0;
double sum = 0;
int len = 0;
for (int i=0;i<scores.length;i++){
for (int j=0;j<scores[i].length;j++){
sum += scores[i][j];
len++;
}
average = sum / len;
System.out.println(average);
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// TODO:
double average = 0;
double sum = 0;
int len = 0;
for (int i=0;i<scores.length;i++){
for (int j=0;j<scores[i].length;j++){
sum += scores[i][j];
len++;
}
}
average = sum / len;
System.out.println(average);