Python - Context Managers
What is the likely consequence of not closing a file after writing data in Python?
What is the likely consequence of not closing a file after writing data in Python?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand file buffering
Data written to a file is buffered and may not be saved immediately.Step 2: Importance of closing files
Closing a file flushes the buffer, ensuring all data is written to disk.Final Answer:
Data may not be fully written to disk -> Option AQuick Check:
Always close files to flush buffers [OK]
Quick Trick: Unclosed files may lose buffered data [OK]
Common Mistakes:
- Assuming OS always flushes buffers immediately
- Believing files auto-close instantly
- Expecting file size to shrink without closing
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