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Python Academy · Lesson

try / except / else / finally

Structure exception-handling blocks for any scenario.

Introduction

Python's try/except/else/finally gives you complete control over error handling and cleanup.

Basic try/except

try: risky_code() except ExceptionType: handle() — Python executes the except block only when that exception type is raised.
try:
    x = int('abc')
except ValueError:
    print('not a number')

All lessons in this course

  1. Understanding Exceptions
  2. try / except / else / finally
  3. Raising and Re-raising Exceptions
  4. Custom Exception Classes
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