LinkedIn Python (Programming Language) Skill Quiz Answers 2022

Exam Name: LinkedIn Python (Programming Language) Skill Quiz

Exam URL: https://www.linkedin.com/skill-assessments/Python%20(Programming%20Language)/quiz-intro/

  1. What is an abstract class?
  2. What happens when you use the build-in function any() on a list?
  3. What data structure does a binary tree degenerate to if it isn’t balanced properly?
  4. What statement about static methods is true?
  5. What are attributes?
  6. What is the term to describe this code?
  7. What built-in list method would you use to remove items from a list?
  8. What is one of the most common use of Python’s sys library?
  9. What is the runtime of accessing a value in a dictionary by using its key?
  10. What is the correct syntax for defining a class called Game?
  11. What is the correct way to write a doctest?
  12. What built-in Python data type is commonly used to represent a stack?
  13. What would this expression return?
  14. How does defaultdict work? (Duplicate 1)
  15. How does defaultdict work? (Duplicate 2)
  16. What is the correct syntax for defining a class called “Game”, if it inherits from a parent class called “LogicGame”?
  17. What is the purpose of the “self” keyword when defining or calling instance methods?
  18. Which of these is NOT a characteristic of namedtuples?
  19. What is an instance method?
  20. Which choice is the most syntactically correct example of the conditional branching? (Duplicate 1)
  21. Which choice is the most syntactically correct example of the conditional branching? (Duplicate 2)
  22. Which statement does NOT describe the object-oriented programming concept of encapsulation?
  23. What is the purpose of an if/else statement?
  24. What built-in Python data type is commonly used to represent a queue?
  25. What is the correct syntax for instantiating a new object of the type Game?
  26. What does the built-in map() function do?
  27. If you don’t explicitly return a value from a function, what happens?
  28. What is the purpose of the pass statement in Python?
  29. What is the term used to describe items that may be passed into a function?
  30. Which collection type is used to associate values with unique keys?
  31. When does a for loop stop iterating?
  32. Assuming the node is in a singly linked list, what is the runtime complexity of searching for a specific node within a singly linked list?
  33. Given the following three list, how would you create a new list that matches the desired output printed below?
  34. What happens when you use the built-in function all() on a list?
  35. What is the correct syntax for calling an instance method on a class named Game? (Duplicate 1)
  36. What is the correct syntax for calling an instance method on a class named Game? (Duplicate 2)
  37. What is runtime complexity of the list’s built-in .append() method?
  38. What is key difference between a set and a list?
  39. What is the definition of abstraction as applied to object-oriented Python?
  40. What does this function print?
  41. Correct representation of doctest for function in Python
  42. Suppose a Game class inherits from two parent classes: BoardGame and LogicGame. Which statement is true about the methods of an object instantiated from the Game class?
  43. What does calling namedtuple on a collection type return?
  44. What symbol(s) do you use to assess equality between two elements?
  45. Review the code below. What is the correct syntax for changing the price to 1.5?
  46. What value would be returned by this check for equality?
  47. What does a class’s init() method do?
  48. What is meant by the phrase “space complexity”?
  49. What is the correct syntax for creating a variable that is bound to a dictionary?
  50. What is the proper way to write a list comprehension that represents all the keys in this dictionary?
  51. What is the algorithmic paradigm of quick sort?
  52. What is the purpose of the self keyword when defining or calling methods on an instance of an object?
  53. What statement about a class methods is true?
  54. What does it mean for a function to have linear runtime?
  55. What is the proper way to define a function?
  56. According to the PEP 8 coding style guidelines, how should constant values be named in Python?
  57. Describe the functionality of a deque.
  58. What is the correct syntax for creating a variable that is bound to a set?
  59. What is the correct syntax for defining an __init__() method that takes no parameters?
  60. Which statement about the class methods is true?
  61. Which of the following is TRUE About how numeric data would be organised in a binary Search tree?
  62. Why would you use a decorator?
  63. When would you use a for loop?
  64. What is the most self-descriptive way to define a function that calculates sales tax on a purchase?
  65. What would happen if you did not alter the state of the element that an algorithm is operating on recursively?
  66. What is the runtime complexity of searching for an item in a binary search tree?
  67. Why would you use mixin?
  68. What is the runtime complexity of adding an item to a stack and removing an item from a stack?
  69. Which statement accurately describes how items are added to and removed from a stack?
  70. What is a base case in a recursive function?
  71. Why is it considered good practice to open a file from within a Python script by using the with keyword?
  72. Why would you use a virtual environment?
  73. What is the correct way to run all the doctests in a given file from the command line?
  74. What is a lambda function ?
  75. What is the primary difference between lists and tuples?
  76. Which statement about static method is true?
  77. What does a generator return?
  78. What is the difference between class attributes and instance attributes?
  79. What is the correct syntax of creating an instance method?
  80. What is a key difference between a set and a list?
  81. What is the correct way to call a function?
  82. What file is imported to use dates in python?
  83. This code provides the _ of the list of numbers
  84. What does the // operator in Python 3 allow you to do?
  85. what will this command return?
  86. You encounter a FileNotFoundException while using just the filename in the open function. What might be the easiest solution?
  87. What will this code fragment return?
  88. In Python, when using sets, you use _ to calculate the intersection between two sets and _ to calculate the union.
  89. What would this recursive function print if it is called with no parameters?
  90. What is the correct syntax for defining an __init__() method that sets instance-specific attributes upon creation of a new class instance?
  91. When would you use a while loop?
  92. What is the correct syntax for adding a key called variety to the fruit_info dictionary that has a value of Red Delicious?
  93. Describe the functionality of a queue?
  94. What will happen if you use a while loop and forget to include logic that eventually causes the while loop to stop?
  95. What is the correct syntax for replacing the string apple in the list with the string orange?
  96. How is comment created?
  97. If you do not explicitly return a value from a function, what happens?
  98. What will be the value of x after running this code?
  99. What Python mechanism is best suited for telling a user they are using a deprecated function
  100. In Python, how can the compiler identify the inner block of a for loop?
  101. When would you use a try/except block in code?
  102. When an array is large, NumPy will not print the entire array when given the built-in print function. What function can you use within NumPy to force it to print the entire array?
  103. Suppose you have the following code snippet and want to extract a list with only the letters. Which fragment of code will _not_ achieve that goal?
  104. Which Python function allows you to execute Linux shell commands in Python?
  105. What built-in Python data type can be used as a hash table?
  106. NumPy allows you to multiply two arrays without a for loop. This is an example of _.
  107. Suppose you have a variable named vector of type np.array with 10.000 elements. How can you turn vector into a variable named matrix with dimensions 100×100?
  108. Which mode is not a valid way to access a file from within a Python script?
  109. Which syntax correctly creates a variable that is bound to a tuple?
  110. What is the output of this code? (NumPy has been imported as np.)
  111. Elements surrounded by [] are _, {} are _, and () are _.
  112. Which fragment of code will print exactly the same output as this fragment?
  113. Which command will create a list from 10 down to 1? Example:
  114. Suppose you have a string variable defined as y=”stuff;thing;junk;”. What would be the output from this code?
  115. What is the output of this code? (NumPy has been imported as np.)?
  116. Suppose you have a variale named vector of type np.array with 10,000 elements. How can you turn vector into a variable named matrix with dimensions 100×100?
  117. What are the two main data structures in the Pandas library?
  118. This code provides the _ of the list of numbers.
  119. What is the correct syntax for creating a variable that is bound to a list?
  120. What two functions within the NumPy library could you use to solve a system of linear equations?
  121. In this code fragment, what will the values of c and d be equivalent to?
  122. How do you add a comment to existing Python script?
  123. Given that NumPy is imported as np, which choice will return True?
  124. What is wrong with this function definition?
  125. How would you access and store all of the keys in this dictionary at once?
  126. What will this statement return?
  127. How would you create a list of tuples matching these lists of characters and actors?
  128. Using Pandas, we load a data set from Kaggle, as structured in the image below. Which command will return the total number of survivors?
  129. Choose the option below for which instance of the class cannot be created
  130. Which choice is an immutable data type?
  131. Which statement about strings in Python is true?
  132. Given a list defined as numbers = [1,2,3,4], what is the value of numbers[-2]?
  133. What will be the output of this code?
  134. Which choice is not a native numerical type in Python?
  135. Jaccard Similarity is a formula that tells you how similar two sets are. It is defined as the cardinality of the intersection divided by the cardinality of the union. Which choice is an accurate implementation in Python?
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