Python - Standard Library Usage
What will be the output of this code?
import os
print(os.path.exists('nonexistent.txt'))What will be the output of this code?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand os.path.exists()
This function returns True if the file exists, False otherwise.Step 2: Check file existence
The file 'nonexistent.txt' does not exist, so the function returns False.Final Answer:
False -> Option AQuick Check:
os.path.exists() returns False if file missing [OK]
Quick Trick: os.path.exists() checks if file or folder exists [OK]
Common Mistakes:
- Expecting True for missing file
- Confusing None with False
- Assuming function raises error
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