[Solved] Why do we use context managers in Python?with open('file.txt') as f: - Ans: To automatically open and close resources safely | Python

Python - Context Managers

Why do we use context managers in Python?
with open('file.txt') as f:

ATo automatically open and close resources safely

BTo make the program run faster

CTo avoid using functions

DTo write code without indentation

Step-by-Step Solution

Solution:

Step 1: Understand resource management
Resources like files need to be opened and closed properly to avoid errors or leaks.
Step 2: Role of context managers
Context managers automatically handle opening and closing resources, even if errors happen.
Final Answer:
To automatically open and close resources safely -> Option A
Quick Check:
Context managers = safe resource handling [OK]

Quick Trick: Think: context managers handle setup and cleanup automatically [OK]

Common Mistakes:

MISTAKES

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