G10 CS File Handling

What does the following code do?

f=open("test.txt")

• Opens the file

  in WRITE mode

• Opens the file

  in READ mode

• Opens the file

  both

  READING and WRITING

• Syntax Error

• None of the choices

What happens when you try to open a file that does not exist using the code?

with open("test.txt",'w') as f:

• A new file is created

• Error message

  pops up

• Nothing happens

• None of the above

What does opening a file in mode ‘a’ mean?

with open("test.txt“, ‘a’) as f:

• Open test.txt

  for reading

• Open test.txt

  for writing

• Open test.txt for appending text at the end of the file

• None of the file

See the test1.txt file content to answer

This is now opened using this code: f=open("test1.txt",'r')

What is the output of f.read(15) ?

• 'This is a text file'

• 'This is a text'

• 'This is a text '

• None of the above

See the test1.txt file content to answer

This is now opened using this code: f=open("test1.txt",'r')

What is the output of f.read(15) ?

• 'This is a text file'

• 'This is a text'

• 'This is a test '

• None of the above

See the test1.txt file content to answer

This is now opened using this code: f=open("test1.txt",'r')

After executing f.read(15),

the code f.read(10) returns what output?

• 'This is a ‘

• 'file.\nIt h‘

• ‘ file.\nIt'

• None of the above

See the test1.txt file content to answer

This is now opened using this code: f=open("test1.txt",'r')

After executing f.read(15) and f.read(10), now f.read() is executed.

What is the output?

• 'as three lines.\nI am processing it using Python.‘

• ‘has three lines.\nI am processing it using Python.'

• 'This is a text file.\nIt has three lines.\nI am processing it using Python.'

• None of the above

Which of the following prints contents of a file line by line?

• with open("test.txt") as f

  for line in f:

  print(line, end='')

• with open("test.txt“,’w’) as f:

  for line in f:

  print(line, end='')

• with open("test.txt“, ‘r’) as f

  for line in f

  print(line, end='')

• with open("test.txt") as f:

  f.read()

Which of the following is used to separate a line into words.

• words()

• linestowords()

• separate()

• split()

Which of the following is used to separate a line into words.