File Handling in Python
Mizoram Board · Class 12 · Computer Science
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What is the default mode when opening a file using open() function in Python?
What method is used to write a single string to a text file?
Which method reads all lines from a file and returns them as a list?
What character is used to mark the end of line in text files?
Sample Questions
Which of the following are valid file opening modes in Python?
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'r+' - read and write, 'w' - write only, 'a+' - append and read
'r+', 'w', and 'a+' are all valid file opening modes in Python. 'x' mode exists but is not covered in this chapter.
The tell() method returns the current position of the file object.
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True
The tell() method returns an integer that specifies the current position of the file object as the byte position from the beginning of the file.
Which module is used for pickling and unpickling in Python?
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pickle
The pickle module is used for serializing (pickling) and deserializing (unpickling) Python objects to and from binary files.
What does the seek(0) method do?
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Moves file object to the beginning
seek(0) positions the file object at the beginning of the file (byte position 0), allowing you to read from or write to the start of the file.
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