[Solved] What is wrong with this code?class MyContext: def __enter__(self): print('Start') return self def __exit__(self, exc_type, exc_val, exc_tb): print('Cleanup') with MyContext(): print('Inside') | Python

Python - Context Managers

What is wrong with this code?

class MyContext:
    def __enter__(self):
        print('Start')
        return self
    def __exit__(self, exc_type, exc_val, exc_tb):
        print('Cleanup')

with MyContext():
    print('Inside')

AIndentation error in the with block

BMissing return in __exit__

CNo __init__ method defined

DCannot use with without 'as' keyword

Step-by-Step Solution

Solution:

Step 1: Check indentation of with block
The print statement inside the with block is not indented, causing a syntax error.
Step 2: Verify other parts
__exit__ does not require a return, __init__ is optional, and 'as' is optional if no variable needed.
Final Answer:
Indentation error in the with block -> Option A
Quick Check:
With block code must be indented [OK]

Quick Trick: Indent code inside with block properly [OK]

Common Mistakes:

MISTAKES

Forgetting indentation inside with
Thinking __exit__ must return True
Assuming 'as' is mandatory

Master "Context Managers" in Python

9 interactive learning modes - each teaches the same concept differently

Learn Why Deep Visual Try Challenge Project Recall Time

More Python Quizzes

What is wrong with this code?

Step 1: Check indentation of with block

Step 2: Verify other parts

Final Answer:

Quick Check:

Want More Practice?