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

Which method reads a file in chunks?

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What is a good practice when reading large files?

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Which method is used to iterate over a file line by line?

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What will file.readlines() do with large files?

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How can you improve memory usage with large files?

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What mode should be used to append large amounts of data efficiently?

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What happens if you try to read a very large binary file into memory?

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Which method is most efficient for writing data in batches?

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What is the best way to handle large file downloads in Python?

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How do you ensure a large file is fully written before closing?

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Which method reads a file in chunks?

read(size)
readline()
chunk()
get_chunk()

What is a good practice when reading large files?

Read the entire file at once
Use a with statement
Use a loop with small chunks
Both b and c

Which method is used to iterate over a file line by line?

file.next()
for line in file:
readlines()
readline()

What will file.readlines() do with large files?

Load all lines into memory
Raise an error for large files
Load the first few lines only
Load lines as a generator

How can you improve memory usage with large files?

Use read() with large buffers
Use readlines()
Use generators
Use the write() method

What mode should be used to append large amounts of data efficiently?

'a'
'w'
'r+'
'rb+'

What happens if you try to read a very large binary file into memory?

MemoryError
IOError
FileNotFoundError
BufferOverflowError

Which method is most efficient for writing data in batches?

writelines()
write() in a loop
appendlines()
write(batch)

What is the best way to handle large file downloads in Python?

Use requests with stream=True
Use read()
Use os.download()
Download in one go

How do you ensure a large file is fully written before closing?

Use flush()
Use os.sync()
Call write() twice
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