Which of the following is the correct syntax to use a context manager for opening a file?

easy📝 Syntax Q12 of Q15

Python - Context Managers

Aopen('file.txt') with f:

Bwith open('file.txt') as f:

Cwith open('file.txt', f):

Dopen with('file.txt') as f:

Step-by-Step Solution

Solution:

Step 1: Recall correct 'with' syntax
The 'with' statement is followed by the resource expression and 'as' keyword to assign it.
Step 2: Match syntax to options
with open('file.txt') as f: matches the correct pattern: with open('file.txt') as f:
Final Answer:
with open('file.txt') as f: -> Option B
Quick Check:
Correct 'with' syntax = with open('file.txt') as f: [OK]

Quick Trick: Remember: with + resource + as + variable [OK]

Common Mistakes:

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