Error Handling

Python raises exceptions when things go wrong. Catch them with try/except.

try:
    1 / 0
except ZeroDivisionError as e:
    print("Cannot divide by zero")
finally:
    print("Done")

C# and JavaScript use try/catch blocks with similar semantics.

Practice Questions

1. Which block runs regardless of success or failure?
   Answer

   `finally`.
2. What exception is thrown for invalid list access?
   Answer

   `IndexError`.