functions_prime_or.py

def prime_checker(number):
    prime = True
    for x in range (2, number):
        if number%x == 0:
            prime = False
    if prime == True:
        print("It's a prime number.")
    else: print("It's not a prime number.")            


n = int(input("Check this number: "))
prime_checker(number=n)