Assignment on Nested for loop 2

Learning Assessment: 
Make a hand note Upload it in google drive then just share the link here and submit this assignment 
Find the prime number based on user limit
The program shows all summation  of Prime Number 
Sample input:                 Sample output:

10                                      2+3+5+7=17

15                                   2+3+5+7+11+13=41

20                                   2+3+5+7+11+13+17+19=77