Coding Challenge: Students Results

Problem statement

Complete the following program to compute and return the female student’s results (name and average grade). Refactor it using functional programming. Execution results must stay the same.

Input

const students = [
  {
    name: "Anna",
    sex: "f",
    grades: [4.5, 3.5, 4]
  },
  {
    name: "Dennis",
    sex: "m",
    country: "Germany",
    grades: [5, 1.5, 4]
  },
  {
    name: "Martha",
    sex: "f",
    grades: [5, 4, 2.5, 3]
  },
  {
    name: "Brock",
    sex: "m",
    grades: [4, 3, 2]
  }
];

Expected output

[ { name: 'Anna', sex: 'f', grades: 4 },
  { name: 'Martha', sex: 'f', grades: 3.625 } ]

Coding exercise