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Impara Additional Elements | Handling Structure
Error Handling in Python
course content

Contenuti del Corso

Error Handling in Python

Error Handling in Python

1. Handling Structure
2. Exception Usage

book
Additional Elements

The full handle structure has 2 additional elements: else and finally.

Look at the example:

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def divide_numbers(a, b): try: result = a / b except ZeroDivisionError as error: print("(except) ZeroDivisionError: Cannot divide by zero.") except TypeError as error: print("(except) TypeError: Invalid data type for division.") else: print("(else) Division result:", result) finally: print("(finally) Finally block executed.") # Example usage: print("=== CASE 1 ===") divide_numbers(10, 2) # This will execute the else block and finally block. print("=== CASE 2 ===") divide_numbers(5, 0) # This will raise a ZeroDivisionError, execute the except block, and the finally block. print("=== CASE 3 ===") divide_numbers(10, "two") # This will raise a TypeError, execute the except block, and the finally block.
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As you can see, the code handles different exceptions appropriately and ensures:

  • the else block is executed when errors are not raised;

  • the finally block is executed in all cases.

Handle Structure Diagram

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Sezione 1. Capitolo 6

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course content

Contenuti del Corso

Error Handling in Python

Error Handling in Python

1. Handling Structure
2. Exception Usage

book
Additional Elements

The full handle structure has 2 additional elements: else and finally.

Look at the example:

1234567891011121314151617181920
def divide_numbers(a, b): try: result = a / b except ZeroDivisionError as error: print("(except) ZeroDivisionError: Cannot divide by zero.") except TypeError as error: print("(except) TypeError: Invalid data type for division.") else: print("(else) Division result:", result) finally: print("(finally) Finally block executed.") # Example usage: print("=== CASE 1 ===") divide_numbers(10, 2) # This will execute the else block and finally block. print("=== CASE 2 ===") divide_numbers(5, 0) # This will raise a ZeroDivisionError, execute the except block, and the finally block. print("=== CASE 3 ===") divide_numbers(10, "two") # This will raise a TypeError, execute the except block, and the finally block.
copy

As you can see, the code handles different exceptions appropriately and ensures:

  • the else block is executed when errors are not raised;

  • the finally block is executed in all cases.

Handle Structure Diagram

Tutto è chiaro?

Come possiamo migliorarlo?

Grazie per i tuoi commenti!

Sezione 1. Capitolo 6
Siamo spiacenti che qualcosa sia andato storto. Cosa è successo?
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