Number_checker

def number_checker():
    entry = -1
    while 0 > entry or 200 < entry:
        try:
            entry = int(input("Please enter a number between 1 and 200"))
        except ValueError:
            print("Please enter a valid whole number")
    return entry

entry1 = number_checker()
entry2 = number_checker()
entry3 = number_checker()

print("student 1's height is:",entry1)
print("student 2's height is:",entry2)
print("student 3's height is:",entry3)