Python File IO MCQs

Question 6: The rollback() method should be executed to ________.

• Undo effect of SQL query
• Reset table
• Delete all records in a table
• Sort rows in descending order

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Question 1: Which of the following modes are valid for opening a file to read and write?

• r+
• w+
• wb+
• rw

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Question 2: which of the following built-in function is used to get the file object for a particular file?

• file()
• object()
• open()
• read()

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Question 3: What does the following statement do?

f = open("C:\MyFile.txt", '+') 

• Opening a file for appending texts.
• Opening a file for reading or writing.
• Opening a file for reading.
• Opening a file for writing texts.

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Question 4: What does the following code do?

f = open('C:\myfile.txt') 
c = f.read() 

• Reading a line from the myfile.txt.
• Reading content from the myfile.txt until EOF.
• Open the file and point to the first line of the myfile.txt.
• Reading binary file.

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