Python File Handling - Quiz

Which of the following statements are true?

  • AWhen you open a file for reading, if the file does not exist, an error occurs
  • BWhen you open a file for writing, if the file does not exist, a new file is created
  • CWhen you open a file for writing, if the file exists, the existing file is overwritten with the new file
  • DAll of the mentioned

What will be the output of the following Python code? 
f = None
for i in range (5):
  with open("data.txt", "w") as f:
  if i > 2:
    break
  print(f.closed)

  • ATrue
  • BFalse
  • CNone
  • DError

What does the following statement do? 
x = open('python.csv', 'r')

  • AOpens an existing text file named python.csv to write
  • BOpens an existing text file named python.csv to append
  • COpens an existing text file named python.csv to read
  • DOpens a new file named python.csv to read

What does the following statement do? 
x = open('python.txt', 'w+')

  • AOpens a text file named python.txt to read
  • BOpens a text file named python.txt to write to or read from
  • COpens a text file named python.txt to write
  • DOpens a new file named python.txt to append

What does the following statement do? 
x = open('python.txt', 'a+')

  • AOpens a text file named python.txt to read
  • BOpens a text file named python.txt to read and write
  • COpens a text file named python.txt to write to
  • DOpens or creates a text file named python.txt to read from or write to at the end of the file

What does the following statement do? 
x = open('python.bat', 'wb')

  • AOpens or creates a binary file named python.bat to write
  • BOpens or creates a binary file named python.bat to append
  • COpens or creates a binary file named python.bat to read
  • D Opens a new file named python.bat to write

What does the following statement do? 
x = open('python.bat', 'ab')

  • AOpens or creates a binary file named python.bat to write
  • BOpens or creates a binary file named python.bat to append
  • COpens or creates a binary file named python.bat to read
  • DOpens a new file named python.bat to append

What will be the output after the following statements? 
x = open('python.txt', 'r')
print(x.name)

  • Apython
  • Bpython.txt opened
  • Cpython.txt or FileNotFoundError
  • Dpython r

What will be the output after the following statements? 
x = open('python.csv', 'w')
print(x.closed)

  • Aopen
  • Bclosed
  • CTrue
  • DFalse

What will be the output after the following statements? 
x = open('python.csv', 'w')
x.close()
print(x.closed)

  • Aopen
  • Bclosed
  • CTrue
  • DFalse

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