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Average Grade

Mathematics
Algorithms
Logic
Numbers
Data Types

Code a function that will return the exact average grade of an array of grades.

Code
Diff
  • function average(grades) {
  if (grades && grades.length) {
    return grades.reduce((total, grade) => total + grade, 0) / grades.length
  }
}
    • def average(grades)
    • grades.sum.to_f / grades.size unless grades.empty?
    • end
    • function average(grades) {
    • if (grades && grades.length) {
    • return grades.reduce((total, grade) => total + grade, 0) / grades.length
    • }
    • }