def prime_checker(number):
is_prime = True
for i in range(2, number):
if number % i == 0:
is_prime = False
if is_prime:
print(f"{number} is a prime number!")
elif not is_prime:
print(f"{number} is not a prime number!")
else:
return
n = int(input("Enter a number: "))
prime_checker(number=n)