Python Institute Python Institute Certifications PCAP-31-03 Questions & Answers

• Question 101:

  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]

  Correct Answer: AB

  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

• Question 102:

  A Python module named pymod, py contains a function named pyfun ( ).

  Which of the following snippets will let you invoke the function? (Select two answers)

  A. From pymod import ` Pymod.pyfun ( )

  B. Import pymod Pymod. Pyfun ( )

  C. Import pyfun from pymod Pyfun ( )

  D. From pymod import pyfun Pyfun ( )

  Correct Answer: BD

• Question 103:

  How many elements will the list2 list contain after execution of the following snippet?

  list1 = [False for i in range (1, 10) ]

  list2 = list1 [-1:1:-1]

  A. zero

  B. five

  C. seven

  D. three

  Correct Answer: C

  

• Question 104:

  You are going to read 16 bytes from a binary file into a bytearray called data. Which lines would you use? (Select two answers)

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

  B. data = binfile.read (bytearray (16))

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

  D. data = bytearray (binfile.read (16))

  Correct Answer: AD

  https://docs.python.org/3/library/functions.html#func-bytearray https://docs.python.org/3/library/io.html

• Question 105:

  Assuming that the snippet below has been executed successfully, which of the following expressions will evaluate to True? (Select two answers)

  string = 'python' [::2]

  string = string[-1] + string[-2]

  A. string[0] == string[-1]

  B. string is None

  C. len (string] == 3

  D. string[0] == 'o'

  Correct Answer: BC

• Question 106:

  The__bases__property contains:

  A. base class locations (addr)

  B. base class objects (class)

  C. base class names (str)

  D. base class ids (int)

  Correct Answer: C

• Question 107:

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

  A. 121 + 1 != '!' + 2 * '2'

  B. 'AbC' lower () < 'AB'

  C. '1' + '1' + '1' < '1' * 3'

  D. '3.14' != str(3.1415)

  Correct Answer: AD

• Question 108:

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

  A. 11 == '011'

  B. 3 * 'a' < 'a' * 2

  C. 'abc' .upper () < 'abc'

  D. '1' + '2' * 2 !=2 '12'

  Correct Answer: CD

• Question 109:

  What is the expected output of the following code?

  

  A. 4

  B. 16

  C. an exception is raised

  D. 1

  Correct Answer: D

• Question 110:

  What is the expected output of the following snippet?

  

  A. 3

  B. 1

  C. 2

  D. the code is erroneous

  Correct Answer: A