What is the purpose of the try and except block in Python?

Python >   Exception handling >   Exception handling  

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Answer:

The try and except block in Python is used for error handling. The try block contains the code that might raise an exception, and the except block contains the code that will be executed if an exception is raised.

The general structure of a try and except block in Python looks like this:

try:
    # code that might raise an exception
except ExceptionType:
    # code that will be executed if an exception is raised

Here's an example of using a try and except block to handle a ZeroDivisionError:

try:
    result = 10 / 0
except ZeroDivisionError:
    print("Division by zero is not allowed.")

# Output:
# Division by zero is not allowed.

The purpose of the try and except block is to catch and handle exceptions that might occur in your code. By using this construct, you can prevent your program from crashing due to an exception and instead gracefully handle the exception and provide appropriate feedback to the user.

It's also possible to have multiple except blocks to handle different types of exceptions, and you can also use an except block without specifying the exception type to catch all exceptions. Additionally, you can use the else block after the try block and before the except block to run code if no exceptions are raised in the try block.

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