loops-task4

number=input("Enter number:")
number=number.replace(",",".")
number=float(number)

if number < 0 or number == 0 or number%1 !=0:
    print("not prime number")

elif number == 1:
    print("prime number!")

else:
    number=int(number)
    for i in range(number-2):
        if number % (i+2) == 0:
            print("not prime number")
            break
    else:
        print("prime number!")