Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Exception Handling Keywords
An exception is a situation or anomaly that occurs during the program execution which prevents the execution from continuing further. An exception is an unexpected behavior that can cause the program to stop abruptly.
Question

What function handles the exception and why? (Python)

```python def Division(a, b): return (a / b) def Sum(a, b): return (a + b) def main(): a = 200.0 b = 0.0 try: Sum(a, b) Division(a, b) except: print('Error Occurred') main() ``` ### Explanation: This code snippet is written in Python and includes functions for basic arithmetic operations as well as error handling. Here's a breakdown of the components: 1. **Functions**: - `Division(a, b)`: This function takes two arguments, `a` and `b`, and returns their division result. - `Sum(a, b)`: This function takes two arguments, `a` and `b`, and returns their sum. 2. **Main Function**: - `main()`: This function initializes two variables, `a` and `b`, with values 200.0 and 0.0 respectively. - It then attempts to: - Calculate the sum of `a` and `b`. - Perform division of `a` by `b`. 3. **Error Handling**: - A try-except block surrounds the operations. If an error occurs (for example, division by zero), it catches the exception and prints 'Error Occurred'. This code will raise an exception because it tries to divide by zero (`b = 0.0`). The exception is caught and "Error Occurred" is printed.
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Transcribed Image Text:```python def Division(a, b): return (a / b) def Sum(a, b): return (a + b) def main(): a = 200.0 b = 0.0 try: Sum(a, b) Division(a, b) except: print('Error Occurred') main() ``` ### Explanation: This code snippet is written in Python and includes functions for basic arithmetic operations as well as error handling. Here's a breakdown of the components: 1. **Functions**: - `Division(a, b)`: This function takes two arguments, `a` and `b`, and returns their division result. - `Sum(a, b)`: This function takes two arguments, `a` and `b`, and returns their sum. 2. **Main Function**: - `main()`: This function initializes two variables, `a` and `b`, with values 200.0 and 0.0 respectively. - It then attempts to: - Calculate the sum of `a` and `b`. - Perform division of `a` by `b`. 3. **Error Handling**: - A try-except block surrounds the operations. If an error occurs (for example, division by zero), it catches the exception and prints 'Error Occurred'. This code will raise an exception because it tries to divide by zero (`b = 0.0`). The exception is caught and "Error Occurred" is printed.
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