$5)$ Implement a simple hash table to store information about students. The key can be their identification number, and the values can be their names.

Example:

students $=$ StudentHashTable$()$

students.add$\_$student$(101,$ "Alice"$)$

students.add$\_$student$(102,$ "Bob"$)$

students.add$\_$student$(103,$ "Charlie"$)$

print$($students$.$find$\_$student$(102))$ # Output: Bob

print$($students$.$find$\_$student$(104))$ # Output: Student not found