[Solved] What will be the output of this code snippet? inventory = {'pen': 20, 'notebook': 15} item = 'pen' print(inventory.get(item, 0)) print(inventory.get('pencil', 0)) | LLD

LLD - Design — Online Shopping Cart

What will be the output of this code snippet?

inventory = {'pen': 20, 'notebook': 15}
item = 'pen'
print(inventory.get(item, 0))
print(inventory.get('pencil', 0))

A0\n15

B20\n0

C20\n15

DError

Step-by-Step Solution

Solution:

Step 1: Understand dictionary get() method
Returns value for key if exists, else default (0 here).
Step 2: Evaluate get calls
inventory.get('pen', 0) returns 20; inventory.get('pencil', 0) returns 0.
Final Answer:
20\n0 -> Option B
Quick Check:
get() returns value or default = 20 and 0 [OK]

Quick Trick: get() returns default if key missing, else value [OK]

Common Mistakes:

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