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It’s not very difficult, just some questions about the data structures, collections and generators, read up this previous years questions and answers and you’ll easily pass it.
Quick Tip: 90% of the questions you will have to answer in the LinkedIn Python Assessment test are listed here. Ctrl F and search for the question to get the answer while you appear for your Python Assessment test on LinkedIn.
Q1. What is an
abstract class?
Q2. What happens when you use the
build-in function any() on a list?
Q3. What data
structure does a binary tree degenerate to if it isn’t balanced properly?
Q4. What statement
about static methods is true?
Q5. What are
attributes?
Q6. What is the
term to describe this code?
count, fruit, price = (2, ‘apple’,
3.5)
Q7. What built-in
list method would you use to remove items from a list?
Q8. What is one of
the most common use of Python’s sys library?
Q9. What is the
runtime of accessing a value in a dictionary by using its key?
Q10. What is the
correct syntax for defining a class called Game?
Q11. What is the
correct way to write a doctest?
def sum(a, b):
“””
sum(4, 3)
7
sum(-4, 5)
1
“””
return a + b
def sum(a, b):
“””
>>> sum(4, 3)
7
>>> sum(-4, 5)
1
“””
return a + b
def sum(a, b):
“””
# >>> sum(4, 3)
# 7
# >>> sum(-4, 5)
# 1
“””
return a + b
def sum(a, b):
###
>>> sum(4, 3)
7
>>> sum(-4, 5)
1
###
return a + b
Q12. What built-in
Python data type is commonly used to represent a stack?
Q13. What would
this expression return?
college_years = [‘Freshman’,
‘Sophomore’, ‘Junior’, ‘Senior’]
return list(enumerate(college_years,
2019))
Q14. How does defaultdict work?
Q15. What is the
correct syntax for defining a class called “Game”, if it inherits
from a parent class called “LogicGame”?
Q16. What is the
purpose of the “self” keyword when defining or calling instance
methods?
Q17. Which of these
is NOT a characteristic of namedtuples?
Q18. What is an
instance method?
Q19. Which choice
is the most syntactically correct example of the conditional branching?
num_people = 5
if num_people > 10:
print(“There is a lot of people in the pool.”)
elif num_people > 4:
print(“There are some people in the pool.”)
elif num_people > 0:
print(“There are a few people in the pool.”)
else:
print(“There is no one in the pool.”)
num_people = 5
if num_people > 10:
print(“There is a lot of people in the pool.”)
if num_people > 4:
print(“There are some people in the pool.”)
if num_people > 0:
print(“There are a few people in the pool.”)
else:
print(“There is no one in the pool.”)
num_people = 5
if num_people > 10:
print(“There is a lot of people in the pool.”)
elif num_people > 4:
print(“There are some people in the pool.”)
elif num_people > 0:
print(“There are a few people in the pool.”)
else:
print(“There is no one in the pool.”)
if num_people > 10;
print(“There is a lot of people in the pool.”)
if num_people > 4:
print(“There are some people in the pool.”)
if num_people > 0:
print(“There are a few people in the pool.”)
else:
print(“There is no one in the pool.”)
Q20. Which
statement does NOT describe the object-oriented programming concept of
encapsulation?
Q21. What is the
purpose of an if/else statement?
Q22. What built-in
Python data type is commonly used to represent a queue?
Q23. What is the
correct syntax for instantiating a new object of the type Game?
Q24. What does the
built-in map() function do?
Q25. If you don’t
explicitly return a value from a function, what happens?
Q26. What is the purpose of the pass statement in
Python?
Q27. What is the
term used to describe items that may be passed into a function?
Q28. Which
collection type is used to associate values with unique keys?
Q29. When does a
for loop stop iterating?
Q30. 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?
Q31. Given the
following three list, how would you create a new list that matches the desired
output printed below?
fruits = [‘Apples’, ‘Oranges’,
‘Bananas’]
quantities = [5, 3, 4]
prices = [1.50, 2.25, 0.89]
#Desired output
[(‘Apples’, 5, 1.50),
(‘Oranges’, 3, 2.25),
(‘Bananas’, 4, 0.89)]
output = []
fruit_tuple_0 = (first[0],
quantities[0], price[0])
output.append(fruit_tuple)
fruit_tuple_1 = (first[1],
quantities[1], price[1])
output.append(fruit_tuple)
fruit_tuple_2 = (first[2],
quantities[2], price[2])
output.append(fruit_tuple)
return output
i = 0
output = []
for fruit in fruits:
temp_qty = quantities[i]
temp_price = prices[i]
output.append((fruit, temp_qty, temp_price))
i += 1
return output
groceries = zip(fruits, quantities,
prices)
return groceries
>>> [
(‘Apples’, 5, 1.50),
(‘Oranges’, 3, 2.25),
(‘Bananas’, 4, 0.89)
]
i = 0
output = []
for fruit in fruits:
for qty in quantities:
for price in prices:
output.append((fruit, qty, price))
i += 1
return output
Q32. What happens
when you use the built-in function all() on a list?
Q33. What is the
correct syntax for calling an instance method on a class named Game?
(Answer format may vary. Game and roll (or dice_roll) should each be
called with no parameters.)
>>> dice = Game()
>>> dice.roll()
>>> dice = Game(self)
>>> dice.roll(self)
>>> dice = Game()
>>> dice.roll(self)
>>> dice = Game(self)
>>> dice.roll()
Q34. What is the
algorithmic paradigm of quick sort?
Q35. What is
runtime complexity of the list’s built-in .append() method?
Q36. What is key
difference between a set and a list?
Q37. What is the
definition of abstraction as applied to object-oriented Python?
Q38. What does this
function print?
def print_alpha_nums(abc_list,
num_list):
for char in abc_list:
for num in num_list:
print(char, num)
return
print_alpha_nums([‘a’, ‘b’, ‘c’], [1,
2, 3])
a 1
a 2
a 3
b 1
b 2
b 3
c 1
c 2
c 3
[‘a’, ‘b’, ‘c’], [1, 2, 3]
aaa
bbb
ccc
111
222
333
a 1 2 3
b 1 2 3
c 1 2 3
Q39. What is the correct syntax for
calling an instance method on a class named Game?
my_game = Game()
my_game.roll_dice()
my_game = Game()
self.my_game.roll_dice()
my_game = Game(self)
self.my_game.roll_dice()
my_game = Game(self)
my_game.roll_dice(self)
Q40. Correct
representation of doctest for function in Python
def sum(a, b):
# a = 1
# b = 2
# sum(a, b) = 3
return a + b
def sum(a, b):
“””
a = 1
b = 2
sum(a, b) = 3
“””
return a + b
def sum(a, b):
“””
>>> a = 1
>>> b = 2
>>> sum(a, b)
3
“””
return a + b
def sum(a, b):
”’
a = 1
b = 2
sum(a, b) = 3
”’
return a + b
Q41. 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?
Q42. What does
calling namedtuple on a collection type return?
Q43. What symbol(s)
do you use to assess equality between two elements?
Q44. Review the
code below. What is the correct syntax for changing the price to 1.5?
fruit_info = {
‘fruit’: ‘apple’,
‘count’: 2,
‘price’: 3.5
}
Q45. What value
would be returned by this check for equality?
5 != 6
Q46. What does a
class’s init() method do?
Q47. What is meant
by the phrase “space complexity”?
Q48. What is the
correct syntax for creating a variable that is bound to a dictionary?
Q49. What is the
proper way to write a list comprehension that represents all the keys in this
dictionary?
fruits = {‘Apples’: 5, ‘Oranges’: 3,
‘Bananas’: 4}
Q50. What is the
algorithmic paradigm of quick sort?
Q51. What is the purpose of the self keyword when
defining or calling methods on an instance of an object?
Q52. What statement
about a class methods is true?
Q53. What does it
mean for a function to have linear runtime?
Q54. What is the
proper way to define a function?
Q55. According to
the PEP 8 coding style guidelines, how should constant values be named in
Python?
Q56. Describe the
functionality of a deque.
Q57. What is the
correct syntax for creating a variable that is bound to a set?
Q58. What is the correct syntax for
defining an __init__() method that
takes no parameters?
class __init__(self):
pass
def __init__():
pass
class __init__():
pass
def __init__(self):
pass
Q59. Which
statement about the class methods is true?
Q60. Which of the
following is TRUE About how numeric data would be organised in a binary Search
tree?
Q61. Why would you
use a decorator?
Q62. When would you
use a for loop ?
Q63. What is the
most self-descriptive way to define a function that calculates sales tax on a
purchase?
def tax(my_float):
”’Calculates the sales tax of a purchase. Takes in a float representing
the subtotal as an argument and returns a float representing the sales tax.”’
pass
def tx(amt):
”’Gets the tax on an amount.”’
def sales_tax(amount):
”’Calculates the sales tax of a purchase. Takes in a float representing
the subtotal as an argument and returns a float representing the sales tax.”’
def calculate_sales_tax(subtotal):
pass
Q64. What would
happen if you did not alter the state of the element that an algorithm is
operating on recursively?
Q65. What is the
runtime complexity of searching for an item in a binary search tree?
Q66. Why would you use mixin?
Q67. What is the
runtime complexity of adding an item to a stack and removing an item from a
stack?
Q68. What does
calling namedtuple on a collection type return?
Q69. Which
statement accurately describes how items are added to and removed from a stack?
Q70. What is a base
case in a recursive function?
Q71. Why is it considered good
practice to open a file from within a Python script by using the with keyword?
Q72. Why would you
use a virtual environment?
Q73. What is the
correct way to run all the doctests in a given file from the command line?
Q74. What is a
lambda function ?
Explanation: the lambda notation is basically an
anonymous function that can take any number of arguments with only single
expression (i.e, cannot be overloaded). It has been introducted in other
programming languages, such as C++ and Java. The lambda notation allows programmers
to “bypass” function declaration.
Q75. What is the
primary difference between lists and tuples?
Q76. Which
statement about static method is true?
Q77. What does a
generator return?
Q78. What is the
difference between class attributes and instance attributes?
Q79. What is the
correct syntax of creating an instance method?
def get_next_card():
# method body goes here
def get_next_card(self):
# method body goes here
def self.get_next_card():
# method body goes here
def self.get_next_card(self):
# method body goes here
Q80. What is a key
difference between a set and a list?
Q81. What is the
correct way to call a function?
Q82. How is comment
created?
Q83. What is the
correct syntax for replacing the string apple in the list with the string
orange?
Q84. What will
happen if you use a while loop and forget to include logic that eventually
causes the while loop to stop?
Q85. Describe the
functionality of a queue?
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