File Handling in Python

What method is used to read the entire content of a file in Python?

• close()

• write()

• read()

• open()

How do you open a file for writing in Python?

• open('filename.txt', 'r')

• open('filename.txt', 'a+')

• open('filename.txt', 'w')

• open('filename.txt', 'x')

What is the default mode for opening a file in Python?

• w

• a

• r

• x

Which exception is raised when trying to open a file that does not exist?

• FileNotAvailableError

• FileMissingException

• FileNotFoundError

• FileAccessError

What is the purpose of the 'with' statement when handling files in Python?

• The 'with' statement is necessary for writing data to a file.

• The 'with' statement is used to open files in read mode only.

• The 'with' statement is used to ensure proper resource management when handling files.

• The 'with' statement is used to create a new file automatically.

How can you read a file line by line in Python?

• Use 'file.read_lines(filename)'

• Use 'open(filename) as file: read(file)'

• Use 'with open(filename) as file: file.readlines()'

• Use 'with open(filename) as file: for line in file: process(line)'.

What mode would you use to append data to an existing file?

• w

• rw

• r

• a

How do you write a list of strings to a file in Python?

• with open('filename.txt', 'w') as f: f.writelines(' '.join(list_of_strings))

• f.write(list_of_strings)

• using print(list_of_strings)

• open('filename.txt', 'r') as f:

What is the difference between 'r' and 'rb' file modes?

• Both 'r' and 'rb' modes are used for reading text files only.

• The 'r' mode is for writing text files, and 'rb' is for writing binary files.

• The 'r' mode is for reading binary files, and 'rb' is for reading text files.

• The 'r' mode is for reading text files, and 'rb' is for reading binary files.

How can you handle exceptions when opening a file in Python?

• Use a for loop to iterate through the file contents.

• Use a try-except block to catch exceptions when opening a file.

• Open the file without any error handling.

• Use a print statement to display the file contents.