Get Update PCAP-31-03 Dumps To Pass Certified Associate in Python Programming Exam

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Page 1 of 4

1. Which of the following statement are true? (Select two answers)

closing an open file is performed by the closefile ( ) function

the second open ( ) argument describes the open mode and defaults to ‘w’

if open ( ) ‘s second argument is ‘r’ the file must exist or open will fail

if open ( )’s second argument is ‘w’ and the invocation succeeds, the previous file’s content is lost

2. A variable stored separately in every object is called:

there are no such variables, all variables are shared among objects

a class variable

an object variable

an instance variable

3. Assuming that the following code has been executed successfully, selected the expression which evaluate to True (Select two answers)

a ( ) == 4

a is not None

b ( ) == 4

a ! = b

4. Is it possible to safely check if a class object has a certain attribute0

yes, by using the hasattr attribute

yes. by using the hasattr () method

yes, by using the hasattr () function

no, it is not possible

5. What is the expected output of the following code?

def foo(x,y,z):

return x(y) - x(z)

print{f00(lambda x: x % 2, 2, 1) )

-1

an exception is raised

6. What is true about the following snippet? (Select two answers)

the code will raise an unhandled exception

the string I feel fine 'will be seen

the string it's nice to see you will be seen

the string what a pity will be seen

7. What is the expected output of the following code if there is no file named non existing_file inside the working directory?

2 2

1 3

1 2 3

2 2 3

8. What is the expected behavior of the following code?

It will:

print 0

cause a runtime exception

prints 3

print an empty line

9. What is the expected output of the following code if the file named existing_text_file is a non-zero length text file located inside the working directory?

the length of the first line from the file

-1

the number of lines contained inside the file

the length of the last line from the file

10. What is the expected output of the following code?

an exception is raised

Page 2 of 4

11. 1.Which of the following expression evaluate to True? (Select two answers)

len(''•) == 1

len(""" """) == o

chr(ordCA') + 1) == 'B'

ord("Z") - ord("z") -- ord("0")

12. What is the expected behavior of the following code?

the code is erroneous and it will not execute

it outputs 'tuple'object does not support item assignment

0it outputs list assignment index out of range

it outputs None

13. Assuming that the following snippet has been successfully executed, which of the equations are True? (Select two answers)

len(a) == len (b)

b[0] fe- 1 == a[0]

a [0] == b [0]

a[0] + 1 == b[0]

14. What is the expected behavior of the following code?

it outputs 2

it raises an exception

it outputs 3

it outputs 5

15. What is the expected output of the following snippet?

the code is erroneous

16. Assuming that the following snippet has been successfully executed, which of the equations are False? (Select two answers)

len(a)== len (b)

a [0]-1 ==b [0]

a[0] = b[0]

b[0] - 1 == a[0]

17. A method for passing the arguments used by the following snippet is called:

sequential

named

positional

keyword

18. Which of the following words can be used as a variable name? (Select two valid names)

for

True

true

For

19. Which of the equations are True? (Select two answers)

chr (ord (x)) = = x

ord (ord (x)) = = x

chr (chr (x)) = = x

ord (chr (x)) = = x

20. Which of the following lines of code will work flawlessly when put independently inside the add_new () method in order to make the snippet's output equal to [0, 1, 1]? (Select two answers)

put self.store(1])

self put stire(1])

self .put self.get () [-1])

self .put (self.store[1])

Page 3 of 4

21. Assuming that the following piece of code has been executed successfully, which of the expressions evaluate to True? (Select two answers)

obj_b.prop_a == 3

hasattr(obj_b, 'prop_aa')

isinstance(obj_c,A)

VarA == 3

22. What is the output of the following piece of code?

ant'bat'camel

ant"bat"camel

antbatcamel

ant bat camel

23. Which of the following expressions evaluate to True? (Select two answers)

' t '.upper () in 'Thames'

'in not' in 'not'

'not' not in 'in'

'a' not in 'ABC' .lower ()

24. You are going to read 16 bytes from a binary file into a bytearray called data .

Which lines would you use? (Select two answers)

data = bytearray (16) bf.readinto (data)

data = binfile.read (bytearray (16))

bf. readinto (data = bytearray (16))

data = bytearray (binfile.read (16))

25. What is the expected behavior of the following code?

it outputs 1

it outputs 2

the code is erroneous and it will not execute

it outputs 3

26. What is the expected behavior of the following code?

it outputs 2

the code is erroneous and it will not execute

it outputs 1

it outputs 3

27. What is the expected behavior of the following code?

it outputs False

it outputs True

it raises an exception

it outputs nothing

28. Which of the following lines of code will work flawlessly when put independently inside the add_new () method in order to make the snippet's output equal to [0, 1, 21? (Select two answers)

self.queue.append(get_Iast() + 1)

queue.append(self.get last () + 1)

self.queue.append(self.queue[+1]

self.queue.append(self.get last() +1)

29. Which line can be used instead of the comment to cause the snippet to produce the following expected output? (Select two answers)

Expected output:

1 2 3

Code:

c, b, a = b, a, c

c, b, a = a, c, b

a, b, c = c, a, b

a, b, c = a, b, c

30. Executing the following snippet

will cause the dct:

to hold two keys named ‘pi’ linked to 3.14 and 3.1415 respectively

to hold two key named ‘pi’ linked to 3.14 and 3.1415

to hold one key named ‘pi’ linked to 3.1415

to hold two keys named ‘pi’ linked to 3.1415

Page 4 of 4

31. Which of the following statements are true? (Select two answers)

Python strings are actually lists

Python strings can be concatenated

Python strings can be sliced like lists

Python strings are mutable

32. Python strings can be “glued” together using the operator:

33. What is the expected behavior of the following code?

x - 3 % 1

y -1 if x > else 0

print (y)

it outputs -1

the code is erroneous and it will not execute

it outputs 1

it outputs 0

34. Which of the following lambda definitions are correct? (Select two answers)

lanbda x, y; return x\y - x%y

lambda x, y: x//y - x%y

lambda (x, y = x\y x%y

lambda x, y: (x, y)

35. Which of the following statements are true? (Select two answers)

open () is a function which returns an int that represents a physical file handle

the second open () argument is optional

instd, outstd, errstd are the names of pre-opened streams

if invoking open () fails, the value None is returned

36. What is the expected output of the following snippet?

True lower

True upper

False upper

False lower

37. Which of the following expression evaluate to True? (Select two answers)

A)

Option A

Option B

Option C

Option D