// Make student reports
function makeStudentsReport(data) {
  var finalArray = [];
  for(var i = 0; i < data.length; i++)
  {
  	var string = data[i].name + ": " + data[i].grade;
  	finalArray.push(string);
  }

  return finalArray;
}

// Enroll in summer school
function enrollInSummerSchool(students) {
  for(var i = 0; i < studentData.length; i++)
  {
  	students[i].status = "In Summer school";
  }
  return students;
}

// Find by id
function findById(items, idNum) {
	var finalObj = {};
	for(var i = 0; i < items.length; i++)
	{
		if(items[i].id === idNum)
		{
			finalObj = items[i];
		}
	}
	return finalObj;
}

// Validate object keys
function validateKeys(object, expectedKeys) {
	var value;
	for(var i = 0; i < expectedKeys.length; i++)
	{
		var keys = Object.keys(object);
		if(expectedKeys[i] === keys[i] && expectedKeys.length === keys.length)
		{
			if(i === keys.length - 1)
			{
				value = true;
			}
		}
		else
		{
			value = false;
		}
	}
	return value;
}