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Python program to illustrate importing exception from another file

belongs to collection: Python Exception Handling Programs

mahmoud2506
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2022-05-22
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We will define an exception in a file which will check if the input is an integer or not. If yes, then do nothing otherwise throw an exception.

And then we will use this exception in our program.

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mahmoud2506
2022-05-22
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Program to illustrate importing of exception in python

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

num1=E.inputInt("Enter First Number: ");
num2=E.inputInt("Enter Second Number: ")

result=num1/num2

print(result)

Output:

Run 1:
Enter First Number: 100
Enter Second Number: 2
50.0

Run 2:
Enter First Number: 100
Enter Second Number: ok
Invalid Input..Please Input Integer Only..
Enter Second Number: Hello
Invalid Input..Please Input Integer Only..
Enter Second Number: -2
-50.0

Run 3:
Enter First Number: -100
Enter Second Number: 2.3
Invalid Input..Please Input Integer Only..
Enter Second Number: -3.4
Invalid Input..Please Input Integer Only..
Enter Second Number: 2
-50.0

Run 4:
Enter First Number: 100
Enter Second Number: 0
Traceback (most recent call last):
  File "main.py", line 6, in <module>
    result=num1/num2
ZeroDivisionError: division by zero

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