Multiple Choice Quiz About Python - Part 3

This article presents Multiple Choice Quiz About Python - Part 3 in a clear, structured format. It helps readers review key concepts, test their understanding, and learn from the material.

Understanding Multiple Choice Quiz About Python

• Question 1: What does opening file with mode 'a' mean?
  • Opening files in read-only mode.
  • Open the file in recording mode.
  • Open the recording mode file at the end of the file.
  • Open the file to read and write.
• Question 2: What does the code below mean?

  f = open ("test.txt")

  • Open the test.txt file that is allowed to read and write to the file.
  • Open test.txt file and only read file.
  • Open the test.txt file and be allowed to overwrite the file.
  • Open the file test.txt and be allowed to write to the file.
• Question 3: Which code automatically closes the file when an exception occurs?

  • with open ("test.txt", encoding = 'utf-8') as f:

  • try:
    f = open ("test.txt", encoding = 'utf-8')
    finall
    f.close ()

  • There is no exact answer.
  • Both answers are correct
• Question 4: Which assertion is correct about the code below?

  f = open ('test.txt', 'r', encoding = 'utf-8')
  f.read ()

  • This program reads the content of test.txt file.
  • If test.txt is downstream, the read () function will return the new line's start symbol 'n'.
  • You can pass an integer type parameter to read ().
  • All of the above answers are correct.
• Question 5: What does the code below mean?

  os.listdir ()

  • Print out the current working directory.
  • Print out all folders (not files) inside the given folder.
  • Print out all folders and files inside the given folder.
  • Create a new folder.
• Question 6: Which of the following statements is correct?
  • Exception is an error that arises when executing the program (runtime error).
  • The syntax error is also an exception.
  • Exceptions are used by Python to remove a block of code from the program.
  • All of the above answers are correct.
• Question 7: What happens if you try to open a file that doesn't exist?
  • Python automatically creates a new file under the name you are calling.
  • Nothing happens because the file does not exist.
  • Caused an exception
  • There is no right answer
• Question 8: What is the result of the code below?

  number = 5.0
  try:
  r = 10/number
  print (r)
  except:
  print ("Oops! Error occurred.")

  • Oops! Error occurred.
  • 2.0
  • 2.0 Oops! Error occurred.
  • 5.0
• Question 9: What does the following code do?

  try:
  # ?o?n code có th? gây ra l?i
  pass

  except (TypeError, ZeroDivisionError):
  print ("Python Quiz")

  • Print 'Python Quiz' if an exception occurs (no matter what the exception is).
  • Print out 'Python Quiz' if no exception occurs.
  • Print 'Python Quiz' if one of the exceptions TypeError and ZeroDivisionError occurs.
  • Only print 'Python Quiz' when both exceptions TypeError and ZeroDivisionError happen.
• Question 10: Which exception occurs when it detects an error does not belong to any other category?
  • ReferenceError
  • SystemError
  • RuntimeError
  • LookupError
• Question 11: Which result is the output of the code below?

  def myfunc ():
  try:
  print ('Monday')
  finally:
  print ('Tuesday')
  myfunc ()

  • Tuesday
  • Monday Tuesday
  • Tuesday Monday
  • Monday
• Question 12: Which result is the output of the code below?

  try:
  print ("throw")
  except:
  print ("except")
  finally:
  print ("finally")

  • finally throw
  • finally except
  • except finally
  • throw finally
• Question 13: Which assertion is correct about the program below?

  class A:
  def __init__(self):
  self.a = 1
  self.__b = 1

  def getY (self):
  return self.__b
  
  obj = A ()
  obj.a = 45
  print (obj.a)

  • The program has an error because '__b' is a private property, not accessible from outside the class.
  • The program runs normally and the printed result is 1.
  • The program has an error because 'a' is a private property, not accessible from outside the class.
  • The program runs normally and the printed result is 45.
• Question 14: Which assertion is correct about the program below?

  class A:
  def __init__(self):
  self.x = 1
  self.__y = 1

  def getY (self):
  return self.__y
  
  a = A ()
  ax = 45
  print (ax)

  • The program has an error because 'x' is a private property, not accessible from outside the class.
  • The program runs normally and the printed result is 1.
  • The program has an error because '__y' is a private property, not accessible from outside the class.
  • The program runs normally and the printed result is 45.
• Question 15: What does opening file with mode 'wb' mean?
  • Open the file to record.
  • Open the file to read and write.
  • Open the file to record for binary format.
  • Open the file to read and write to binary.