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120 Exam Questions for PCAP-31-03 Updated Versions With Test Engine [Q46-Q68]

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120 Exam Questions for PCAP-31-03 Updated Versions With Test Engine

Pass PCAP-31-03 Exam with Updated PCAP-31-03 Exam Dumps PDF 2021

NEW QUESTION 46
What is the expected behavior of the following code?

  • A. it outputs 3
  • B. it outputs 1
  • C. it raises an exception
  • D. it outputs 6

Answer: D

 

NEW QUESTION 47
What is a true about python class constructors? (Select two answers)

  • A. there can the more than one constructor in a Python class.
  • B. the constructor is a method named_init_
  • C. the constructor must have at least one parameter
  • D. the constructor must return a value other than None

Answer: B,C

 

NEW QUESTION 48
What is the expected output of the following snippet?

  • A. True lower
  • B. False lower
  • C. False upper
  • D. True upper

Answer: A

 

NEW QUESTION 49
What can you do if you don't like a long package path like this one?

  • A. you can make an alias for the name using the alias keyword
  • B. you can make an alias for the name using the as keyword
  • C. nothing, you need to come to terms with it
  • D. you can shorten it to alpha. zeta and Python will find the proper connection

Answer: B

 

NEW QUESTION 50
A compiler is a program designed to (select two answers)

  • A. translate the source code into machine code
  • B. check the source code in order to see if its correct
  • C. rearrange the source code to make it clearer
  • D. execute the source code

Answer: A,B

Explanation:
https://www.thoughtco.com/what-is-a-compiler-958322

 

NEW QUESTION 51
What is the expected output of the following snippet?

  • A. True lower
  • B. False lower
  • C. False upper
  • D. True upper

Answer: A

 

NEW QUESTION 52
What can you deduce from the following statement? (Select two answers)
str = open('file.txt', "rt")

  • A. the opened file cannot be written with the use of the str variable
  • B. str is a string read in from the file named file.txt
  • C. a newlina character translation will be performed during the reads
  • D. if file. txt does not exist, it will be created

Answer: A,B

 

NEW QUESTION 53
Assuming that the code below has been executed successfully, which of the following expressions will always evaluate to True? (Select two answers) import random v1 = random. random() v2 = random. random()

  • A. v1 < 1
  • B. v1 == v2
  • C. random.choice{[1,2,3]) > 0
  • D. len(random. sample([1,2,3],1)) > 2

Answer: A,C

 

NEW QUESTION 54
Assuming that the snippet below has been executed successfully, which of the following expressions will evaluate to True? (Select two answers) string = 'SKY' (:: -1) string = string (-1)

  • A. string is None
  • B. string (0) == string (-1
  • C. len (string) == 1
  • D. string (0) == 'Y'

Answer: C,D

 

NEW QUESTION 55
Which of the following invocations are valid? (Select two answers)

  • A. sorted("python")
  • B. "python".index("th")
  • C. rfind("python","r")
  • D. "python".sort ()

Answer: B,D

 

NEW QUESTION 56
Which of the following sentences are true? (Select two answers)

  • A. lists may be stored inside lists
  • B. tuples may not be stored inside tuples
  • C. lists may not be stored inside tuples
  • D. tuples may be stored inside lists

Answer: A,D

 

NEW QUESTION 57
Assuming that the following snippet has been successfully executed, which of the equations are False? (Select two answers)

  • A. len(a) == len(b)
  • B. a[0] - 1 == b[0]
  • C. a[0] = b[0]
  • D. b[0] - 1 == a[0]

Answer: C,D

Explanation:
>>> print(len(a)==len(b))
True
>>> print(a[0]-1==b[0])
True
>>> print(a[0]==b[0])
False
>>> print(b[0]-1 == a[0])
False

 

NEW QUESTION 58
A property that stores information about a given class's super-classes is named:

  • A. _super_
  • B. _upper_
  • C. _ancestors_
  • D. _bases_

Answer: A

 

NEW QUESTION 59
Assuming that the code below has been executed successfully, which of the following expressions evaluate to True? (Select two answers)

  • A. 'prop' in Class.__diet
  • B. 'var' in Object.__diet__
  • C. 'var1 in Class, diet
  • D. len(Object.__diet__) == 1

Answer: B,D

 

NEW QUESTION 60
Assuming that the following inheritance set is in force, which of the following classes are declared properly?
(Select two answers)

  • A. class Class_2(B,D): pass
  • B. class Class_1(C,D): pass
  • C. class Class_4 (D, A) : pass
  • D. class Class_3(A,C): pass

Answer: B,C

 

NEW QUESTION 61
What is the expected behavior of the following code?

  • A. it outputs 2
  • B. it outputs 1
  • C. it raises an exception
  • D. it outputs 0

Answer: D

 

NEW QUESTION 62
Assuming that the V variable holds an integer value to 2, which of the following operators should be used instead of OPER to make the expression equal to 1?
V OPER 1 -

  • A. <<
  • B. >>>
  • C. >>
  • D. <<<

Answer: C

 

NEW QUESTION 63
Executing the following snippet

will cause the dct:

  • A. to hold two key named 'pi' linked to 3.14 and 3.1415
  • B. to hold two keys named 'pi' linked to 3.14 and 3.1415 respectively
  • C. to hold two keys named 'pi' linked to 3.1415
  • D. to hold one key named 'pi' linked to 3.1415

Answer: D

 

NEW QUESTION 64
What is the expected output of the following snippet?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: C

Explanation:

 

NEW QUESTION 65
Assuming that the following inheritance set is in force, which of the following classes are declared properly?
(Select two answers)

  • A. class Class_1(C,D): pass
  • B. class Class_2(B,D): pass
  • C. class Class_4 (D, A) : pass
  • D. class Class_3(A,C): pass

Answer: C,D

 

NEW QUESTION 66
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:

  • A. a, b, c = a, b, c
  • B. c, b, a = b, a, c
  • C. a, b, c = c, a, b
  • D. c, b, a = a, c, b

Answer: B,C

 

NEW QUESTION 67
What is the expected output of the following snippet?

  • A. ABC
  • B. 0
  • C. abc
  • D. The code will cause a runtime exception

Answer: D

Explanation:

 

NEW QUESTION 68
......


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