Python program to illustrate the import exception defined in another file and defining a new one

Program:

ExceptionLib.py

def inputInt(msg):
    while(True):
        try:
            a = int(input(msg))
            return a
        except ValueError as e:
            print("Invalid Input..Please Input Integer Only..")

main.py

import ExceptionLib as E

while(True):
    try:
        h=E.inputInt("Enter Hindi Marks: ")
        if(not(h>=0 and h<=100)):
            raise(Exception("Invalid Marks (Marks can be between 0 to 100). You entered: "+str(h)) )
        else:
            break
    except Exception as e:
        print("Error: ",e)
    finally:
        print("Your marks is", h)

Output:

Run 1:
Enter Hindi Marks: 78
Your marks is 78

Run 2:
Enter Hindi Marks: 120
Error:  Invalid Marks (Marks can be between 0 to 100). You entered: 120
Your marks is 120
Enter Hindi Marks: 130
Error:  Invalid Marks (Marks can be between 0 to 100). You entered: 130
Your marks is 130
Enter Hindi Marks: 100
Your marks is 100

Run 3:
Enter Hindi Marks: 23.45
Invalid Input..Please Input Integer Only..
Enter Hindi Marks: 12
Your marks is 12

Run 4:
Enter Hindi Marks: Twenty Three
Invalid Input..Please Input Integer Only..
Enter Hindi Marks: 23
Your marks is 23