AWS - Lambda
Which of the following is the correct syntax to access an environment variable named
DB_HOST in a Python Lambda function?Which of the following is the correct syntax to access an environment variable named DB_HOST in a Python Lambda function?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Review Python environment variable access methods
In Python, environment variables can be accessed using os.environ['VAR'], os.getenv('VAR'), or os.environ.get('VAR').Step 2: Confirm all options are valid
All three methods correctly retrieve environment variables, so all options are correct.Final Answer:
All of the above -> Option BQuick Check:
Python env var access = All listed methods [OK]
Quick Trick: All listed Python methods access env vars correctly [OK]
Common Mistakes:
MISTAKES- Thinking only one method works
- Confusing os.environ with os.getenv
- Using incorrect syntax like os.env
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