[Solved] Given this Python Lambda handler code:def lambda_handler(event, context): return {'message': event['key']}What will be the output if the event is {'key': 'hello'}? | AWS

AWS - Lambda

Given this Python Lambda handler code:

def lambda_handler(event, context):
    return {'message': event['key']}

What will be the output if the event is {'key': 'hello'}?

ANone

B{'key': 'hello'}

CError: 'key' not found

D{'message': 'hello'}

Step-by-Step Solution

Solution:

Step 1: Understand the event input and handler return
The event dictionary has a key 'key' with value 'hello'. The handler returns a dictionary with 'message' key set to event['key'] value.
Step 2: Substitute event['key'] with 'hello'
Replacing event['key'] with 'hello' results in {'message': 'hello'} as the return value.
Final Answer:
{'message': 'hello'} -> Option D
Quick Check:
Return uses event['key'] value = {'message': 'hello'} [OK]

Quick Trick: Return dictionary with event key value [OK]

Common Mistakes:

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