database = ([[]])
while True:
first_name = input("Enter the student's first name: ")
if first_name == "0":
while True:
search = input("Enter a student ID number to find a specific student: ")
if [] in database:
database.pop(0)
if search == "0":
exit()
k = 0
for w in database:
for i in database:
if i[2] == search:
print("ID number: {} yields student: {} {}".format(i[2], i[0], i[1]))
search = 0
last_name = input("Enter the student's last name: ")
id_number = input("Enter the student's ID number: ")
database.append([first_name, last_name, id_number])
I hope this helps!