Python - Exception Handling Fundamentals
Which exception is raised when you try to access a key that does not exist in a Python dictionary?
Which exception is raised when you try to access a key that does not exist in a Python dictionary?
easy🧠 Conceptual Q1 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand dictionary key access
Accessing a non-existent key in a dictionary raises a specific exception.Step 2: Identify the exception type
Python raises a KeyError when a dictionary key is missing.Final Answer:
KeyError -> Option BQuick Check:
Missing dictionary key = KeyError [OK]
Quick Trick: Missing dict keys cause KeyError, not IndexError [OK]
Common Mistakes:
MISTAKES- Confusing KeyError with IndexError
- Thinking TypeError occurs here
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