Python - File Handling Fundamentals
What happens if you create a Path object with duplicate keys in a dictionary comprehension used as keys? For example:
{Path('a'): 1, Path('a'): 2}What happens if you create a Path object with duplicate keys in a dictionary comprehension used as keys? For example:
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand dictionary key behavior
In Python dictionaries, duplicate keys are not allowed; the last assignment overwrites previous ones.Step 2: Apply to Path objects as keys
Path('a') creates the same key, so the second value replaces the first.Final Answer:
The last value overwrites the first for the duplicate key -> Option CQuick Check:
Duplicate dict keys overwrite previous values [OK]
Quick Trick: Duplicate dict keys overwrite earlier values [OK]
Common Mistakes:
- Expecting error on duplicate keys
- Thinking both keys stored
- Assuming first value is kept
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