Script to populate student collection with random records

populateRandomeStudents.js

var firstNames = ['Alex', 'David', 'Peter', 'Tom', 'Shaun', 'Bill', 'Mary', 'Dan', 'Mark', 'Peter', 'Mikael', 'Sam', 'Tom', 'Fred', 'Robert', 'Martin', 'Peter'];
var lastNames = ['Michaels', 'Peterson', 'Jackson', 'Jones', 'Hank', 'Cruise', 'Radcliffe', 'Francis', 'Degroote', 'John', 'Jacobs'];
var ageList = [23,24,25,26,27,28,29,30,31,32];

var cities = ["Delhi", "London", "Paris", "Singapore", "Beijing", "Colombo", "Mumbai"];
var examTypes = ["homework", "exam", "quiz"];
var courseType = ["full time", "part time"];

function getRandom(list) {
    return list[Math.floor(list.length * Math.random())];
}

for(i=0; i <= 200000; i++){
	var doc = {
		name : getRandom(firstNames) + " " + getRandom(lastNames),
		age :  getRandom(ageList),
		city : getRandom(cities),
		courseType : getRandom(courseType),
		scores : [
		{
			"type" : getRandom(examTypes),
			"score" : Math.floor(100 * Math.random())
		},
		{
			"type" : getRandom(examTypes),
			"score" : Math.floor(100 * Math.random())
		},
		{
			"type" : getRandom(examTypes),
			"score" : Math.floor(100 * Math.random())
		},
		{
			"type" : getRandom(examTypes),
			"score" : Math.floor(100 * Math.random())
		}
		]
	};
	db.student.insert(doc);
}