def prime_checker(number):
is_prime = True #use a bool to flag prime number
for i in range(2, number):# starts at 2 and loops until the range of number
if number % i == 0:# if is divisible not a prime
is_prime = False
if is_prime == True:
print(f"{number} is a prime number")
else:
print(f"{number} is a not a prime number.")
n = int(input("Check this number: "))#check a number for prime
prime_checker(number=n)#call the function