Help me in solving LPYAS152 problem

help
,
1

My issue

explain me

My code

# cook your dish here
n= int (input())

for i in range(2,n):
    if n%i == 0:
        print("it is prime")
        
    else:
        print("not a prime number")

Learning course: Roadmap to 3*
Problem Link: https://www.codechef.com/learn/course/klu-roadmap-3star/KLURMP300B/problems/LPYAS152