Consider this snippet in settings.py:

medium📝 Predict Output Q4 of 15

Django - Deployment and Production

Consider this snippet in settings.py:

import os
DEBUG = os.getenv('DEBUG', 'False').lower() == 'true'
print(DEBUG)

If the environment variable DEBUG is set to 'TRUE' (uppercase), what will be the output?

ANone

BFalse

CTrue

DRaises an error

Step-by-Step Solution

Solution:

Step 1: Evaluate os.getenv
The environment variable 'DEBUG' is set to 'TRUE'. The default 'False' is ignored.
Step 2: Apply .lower()
'TRUE'.lower() becomes 'true'.
Step 3: Compare to 'true'
'true' == 'true' evaluates to True.
Final Answer:
True -> Option C
Quick Check:
Case-insensitive comparison ensures correct boolean [OK]

Quick Trick: Use .lower() to handle case-insensitive env vars [OK]

Common Mistakes:

MISTAKES

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