Mastering Python File Handling

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

• get_content()

• read()

• fetch()

• load()

How do you read a single line from a file using Python?

• line = open('filename.txt').read()

• line = open('filename.txt').readline(0)

• line = open('filename.txt').readlines()

• line = open('filename.txt').readline()

What method would you use to read all lines from a file into a list?

• file.getlines()

• file.readlines()

• file.fetch_all()

• file.read()

Explain the difference between read() and readline() in Python file handling.

• read() reads the whole file at once; readline() reads one line at a time.

• read() is used for binary files; readline() is used for text files.

• read() reads one line at a time; readline() reads the whole file at once.

• read() reads a specified number of bytes; readline() reads the entire file.

What is the purpose of the readlines() function?

• To read all lines from a file and return them as a list.

• To read a single line from a file.

• To write all lines to a file.

• To count the number of lines in a file.

How can you write a string to a file in Python?

• open('filename.txt', 'a').write('Your string here')

• open('filename.txt', 'w').write('Your string here')

• write('Your string here', 'filename.txt')

• open('filename.txt', 'r').write('Your string here')

What method would you use to write multiple lines to a file at once?

• Use the 'append()' method.

• Use the 'flush()' method.

• Use the 'writelines()' method.

• Use the 'write()' method.

How do you append data to an existing file in Python?

• Use open('filename', 'r') to append data to a file.

• Use open('filename', 'w') to append data to a file.

• Use open('filename', 'a') to append data to a file.

• Use open('filename', 'x') to append data to a file.

What does the seek() function do in file handling?

• The seek() function closes the file.

• The seek() function reads data from a file.

• The seek() function writes data to a file.

• The seek() function changes the current file position.

How can you move the file pointer to the beginning of a file?

• Use the read method to access the file.

• Close the file and reopen it.

• Use the tell method to check the position.

• Use the seek method with an offset of 0.