$/*$ TODO: Test $5-$ Retrieve from collection

$*=========================================$

$*$ Given an integer idNumber and a vector of students,

$*$ search the students vector for the first student whose ID number

$*$ matches the idNumber parameter. If the ID number is found,

$*$ return the student with that ID number. If no student with

$*$ that ID number is found, return a student created with the

$*$ default constructor.

$*$

$*$ Tips:

$*-$ Given the nature of the returned result, the value displayed

$*$ in the console may not accurately represent your points for

$*$ this test.

$*/$