Instructions

  • 1. Your final score will reflect your grasp of the concepts—approach each question with precision.
  • 2. Thoroughly review each solution before proceeding to ensure full understanding.
  • 3. Final results will be available after submission to provide insights into areas for further improvement.
  • 4. Maintain academic integrity—plagiarism undermines learning and professional growth.
  • 5. Once submitted, responses are final, so ensure you’re confident in your answers.
  • 6. These challenges are designed to test practical knowledge; apply your skills as you would in real-world scenarios.

All Problems

Question

Action

What is the main purpose of using a with statement?

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Which of the following is the correct syntax to open a file using a context manager?

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What happens if an error occurs within the with block?

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Which exception is raised when trying to access a closed file?

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What is a key advantage of context managers?

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Which method is called on a file object at the end of a with block?

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How can you define a custom context manager in Python?

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What is the correct way to open multiple files using a context manager?

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What happens if you try to read from a file opened in ‘w’ mode?

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Which protocol do context managers implement?

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What is the main purpose of using a with statement?

To handle exceptions
To automatically close the file
To write data faster
To avoid syntax errors

Which of the following is the correct syntax to open a file using a context manager?

open(file) as f:
with open(file) as f:
file = open(file)
using open(file) as f:

What happens if an error occurs within the with block?

File stays open
File automatically closes
The program crashes
The file pointer resets

Which exception is raised when trying to access a closed file?

IOError
ValueError
FileClosedError
TypeError

What is a key advantage of context managers?

They reduce memory usage
They prevent resource leaks
They are faster than normal file handling
They improve code readability

Which method is called on a file object at the end of a with block?

open()
read()
close()
release()

How can you define a custom context manager in Python?

Using the open function
Using try and except
Implementing __enter__ and __exit__ methods
Using the return statement

What is the correct way to open multiple files using a context manager?

with open(file1) and open(file2):
with open(file1) as f1, open(file2) as f2:
using open(file1) & open(file2):
with (open(file1), open(file2)):

What happens if you try to read from a file opened in ‘w’ mode?

File content is returned
An error is raised
Empty string is returned
It appends the content

Which protocol do context managers implement?

Iterator protocol
Generator protocol
Context management protocol
File protocol