Files Handling in Python

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How do you change the file position to an offset value from the start?

A) fp.seek(offset, 0) B) fp.seek(offset, 1) C) fp.seek(offset, 2) D) none of the mentioned

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

How can you open a file for both reading and writing in Python?

A) By using the r+ mode B) By using the rw mode C) By using the readwrite mode D) By using the rw+ mode

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Answer & Solution

Answer: Option A

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What is the difference between r+ and w+ modes?

A) no difference B) in r+ the pointer is initially placed at the beginning of the file and the pointer is at the end for w+ C) in w+ the pointer is initially placed at the beginning of the file and the pointer is at the end for r+ D) depends on the operating system

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Answer & Solution

Answer: Option B

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What is the purpose of the b mode when opening a file in Python?

A) Binary mode B) Byte mode C) Base mode D) Bit mode

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Answer & Solution

Answer: Option A

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What is the output of the following code:

with open('data.txt', 'r') as file:
 lines = file.read().splitlines()
print(len(lines))

A) The number of lines in data.txt B) An error will occur C) The content of data.txt D) The file object file

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Answer & Solution

Answer: Option A

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What is the current syntax of rename() a file?

A) rename(current_file_name, new_file_name) B) rename(new_file_name, current_file_name,) C) rename(()(current_file_name, new_file_name)) D) none of the mentioned

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Answer & Solution

Answer: Option A

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What will be the output of the following Python code?

fo = open("foo.txt", "wb")
print "Name of the file: ", fo.name
fo.flush()
fo.close()

A) Compilation Error B) Runtime Error C) No Output D) Flushes the file when closing them

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Answer & Solution

Answer: Option D

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What is the correct syntax of open() function?

A) file = open(file_name [, access_mode][, buffering]) B) file object = open(file_name [, access_mode][, buffering]) C) file object = open(file_name) D) none of the mentioned

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Answer & Solution

Answer: Option B

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What is the purpose of the readlines() method in file handling?

A) It reads all lines of a file into a list B) It writes lines to the file C) It appends lines to the file D) It closes the file

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Answer & Solution

Answer: Option A

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Is it possible to create a text file in python?

A) Yes B) No C) Machine dependent D) All of the mentioned

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Answer & Solution

Answer: Option A

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