[Solved] Given this Python code snippet in a microservice:import os mode = os.getenv('MODE', 'production') print(f"Running in {mode} mode")What will be printed if the environment variable MODE is not set? | Microservices

Microservices - Configuration and Secrets Management

Given this Python code snippet in a microservice:

import os

mode = os.getenv('MODE', 'production')
print(f"Running in {mode} mode")

What will be printed if the environment variable MODE is not set?

AError: MODE variable not found

BRunning in production mode

CRunning in mode mode

DRunning in None mode

Step-by-Step Solution

Solution:

Step 1: Understand os.getenv default behavior
os.getenv returns the environment variable value or the default if not set.
Step 2: Apply to code
Since MODE is not set, it returns 'production' as default, printing 'Running in production mode'.
Final Answer:
Running in production mode -> Option B
Quick Check:
os.getenv default used = D [OK]

Quick Trick: os.getenv returns default if env var missing [OK]

Common Mistakes:

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