Exception handling is a crucial aspect of programming that allows you to manage errors and unexpected situations in your code. This tutorial will guide you through the basics of exception handling in various programming languages.
Common Exceptions
Here are some common exceptions you might encounter:
- TypeError: Occurs when you try to perform an operation on an object of an incorrect type.
- ValueError: Raised when a function receives an argument of an inappropriate type or value.
- IndexError: Happens when you try to access an index that is out of range.
Handling Exceptions
To handle exceptions, you can use a try
block followed by one or more except
blocks. The try
block contains the code that might raise an exception, and the except
blocks specify the type of exception to handle and the code to execute if that exception occurs.
try:
# Code that might raise an exception
x = 1 / 0
except ZeroDivisionError:
# Code to handle the exception
print("Cannot divide by zero!")
Best Practices
- Always use
try
blocks around code that might raise an exception. - Be specific with your
except
blocks to handle different types of exceptions appropriately. - Avoid using bare
except:
blocks as they can catch all exceptions, which can make debugging difficult.
Learn More
For more information on exception handling, you can read our comprehensive guide on Exception Handling Best Practices.
Exception Handling