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How do you handle exceptions in Python? Provide an example.

Python/Codingeasy0.4 min readPremium
Frequency
Low
Asked at 2 companies
Category
179
questions in Python/Coding
Difficulty Split
127E|24M|28H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
AltimetrikInfosys
Interview Pro Tip

Red Flag: Empty `except: pass` or catching `Exception` and not re-raising. Pro-Move: 'I catch specific exceptions, log with stack traces, use finally for connection cleanup, and have a top-level handler for unhandled exceptions in long-running services.'

Key Concepts Tested
python
Expert AnswerPremium
75 wordsInterview-ready
Use `try` / `except` / `else` / `finally`. **Example**: `try: x = 1/0\nexcept ZeroDivisionError as e: logging.error(e)\nelse: print("ok")\nfinally: resource.close()` **Why it matters**: Proper handling avoids cascading failures and enables cleanup. **Architectural implication**: Bare `except:` swallows all exceptions including `KeyboardInterrupt`—dangerous in production. Use specific exceptions and re-raise when needed....
The complete answer continues with detailed implementation patterns, architectural trade-offs, and production-grade considerations. It covers performance optimization strategies, common pitfalls to avoid, and real-world examples from companies like Altimetrik, Infosys. The answer also includes follow-up discussion points that interviewers commonly explore.

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