Python/Python Mcq Set 10 Sample Test,Sample questions

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Question: 
 The difference between the functions discard and remove is that:

1. Discard removes the last element of the set whereas remove removes the first element of the set

2.Discard throws an error if the specified element is not present in the set whereas remove does not throw an error in case of absence of the specified element

3. Remove removes the last element of the set whereas discard removes the first element of the set

4.Remove throws an error if the specified element is not present in the set whereas discard does not throw an error in case of absence of the specified element

Posted Date:-2021-12-31 09:21:31

Question: 
 The following Python code results in an error.

s={2, 3, 4, [5, 6]}

1. True

2. False

3.None of the above

4.all of the mentioned

Posted Date:-2021-12-31 08:27:16

Question: 
 What will be the output of the following Python code snippet?

{a**2 for a in range(4)}

1.{1, 4, 9, 16}

2. {0, 1, 4, 9, 16}

3.Error

4.{0, 1, 4, 9}

Posted Date:-2021-12-31 08:35:24

Question: 
 What will be the output of the following Python code?

>>> a={1,2,3}
>>> a.intersection_update({2,3,4,5})
>>> a

1. {2,3}

2. Error, duplicate item present in list

3.Error, no method called intersection_update for set data type

4.{1,4,5}

Posted Date:-2021-12-31 08:10:32

Question: 
 What will be the output of the following Python code?

>>> a={3,4,5}
>>> a.update([1,2,3])
>>> a

1. Error, no method called update for set data type

2. {1, 2, 3, 4, 5}

3.Error, list can’t be added to set

4.Error, duplicate item present in list

Posted Date:-2021-12-31 08:09:35

Question: 
 What will be the output of the following Python code?

>>> a={3,4,5}
>>> b={5,6,7}
>>> a|b

1.Invalid operation

2.{3, 4, 5, 6, 7}

3.{5}

4. {3,4,6,7}

Posted Date:-2021-12-31 08:06:38

Question: 
 What will be the output of the following Python code?

>>> a={4,5,6}
>>> b={2,8,6}
>>> a-b

1. {4,5}

2. {6}

3. Error as unsupported operand type for set data type

4. Error as the duplicate item 6 is present in both sets

Posted Date:-2021-12-31 08:05:05

Question: 
 What will be the output of the following Python code?

>>> a={5,6,7}
>>> sum(a,5)

1.5

2.23

3.18

4.Invalid syntax for sum method, too many arguments

Posted Date:-2021-12-31 08:13:42

Question: 
 What will be the output of the following Python code?

a={1,2,3}
b={1,2,3}
c=a.issubset(b)
print(c)

1.True

2. Error, no method called issubset() exists

3.Syntax error for issubset() method

4. False

Posted Date:-2021-12-31 08:18:49

Question: 
 What will be the output of the following Python code?

s={2, 5, 6, 6, 7}
s

1.{2, 5, 7}

2. {2, 5, 6, 7}

3. {2, 5, 6, 6, 7}

4.error

Posted Date:-2021-12-31 08:29:25

Question: 
 Which of the following functions will return the symmetric difference between two sets, x and y?

1. x | y

2.x ^ y

3.x & y

4. x – y

Posted Date:-2021-12-31 08:34:21

Question: 
 Which of the following statements create a dictionary?

1.d = {}

2.d = {“john”:40, “peter”:45}

3.d = {“john”:40, “peter”:45}

4.all of the mentioned

Posted Date:-2021-12-31 09:26:16

Question: 
 Which of these about a frozenset is not true?

1.Mutable data type

2.Allows duplicate values

3. Data type with unordered values

4.Immutable data type

Posted Date:-2021-12-31 08:08:08

Question: 
If a={5,6,7,8}, which of the following statements is false?

1. print(len(a))

2. print(min(a))

3.a.remove(5)

4. a[2]=45

Posted Date:-2021-12-31 08:02:42

Question: 
If a={5,6,7}, what happens when a.add(5) is executed?

1. a={5,5,6,7}

2.a={5,6,7}

3.Error as there is no add function for set data type

4.Error as 5 already exists in the set

Posted Date:-2021-12-31 08:03:06

Question: 
If we have two sets, s1 and s2, and we want to check if all the elements of s1 are present in s2 or not, we can use the function:

1. s2.issubset(s1)

2. s2.issuperset(s1)

3.s1.issuperset(s2)

4.s1.isset(s2)

Posted Date:-2021-12-31 09:25:18

Question: 
Is the following Python code valid?

a={1,2,3}
b={1,2,3,4}
c=a.issuperset(b)
print(c)

1. False

2.True

3.Syntax error for issuperset() method

4.Error, no method called issuperset() exists

Posted Date:-2021-12-31 08:19:16

Question: 
Is the following Python code valid?

a={3,4,{7,5}}
print(a[2][0])

1.Yes, 7 is printed

2.Error, elements of a set can’t be printed

3.Error, subsets aren’t allowed

4.Yes, {7,5} is printed

Posted Date:-2021-12-31 08:07:10

Question: 
Is the following Python code valid?
>>> a=frozenset([5,6,7])
>>> a
>>> a.add(5)

1.Yes, now a is {5,5,6,7}

2.No, frozen set is immutable

3. No, invalid syntax for add method

4.Yes, now a is {5,6,7}

Posted Date:-2021-12-31 08:09:08

Question: 
Set makes use of ____
Dictionary makes use of ______

1. keys, keys

2.key values, keys

3.keys, key values

4.key values, key values

Posted Date:-2021-12-31 08:27:57

Question: 
Suppose d = {“john”:40, “peter”:45}, to delete the entry for “john” what command do we use?

1.d.delete(“john”:40)

2.d.delete(“john”)

3. del d[“john”]

4.del d(“john”:40)

Posted Date:-2021-12-31 09:29:25

Question: 
Suppose d = {“john”:40, “peter”:45}. To obtain the number of entries in dictionary which command do we use?

1.d.size()

2.len(d)

3.size(d)

4. d.len()

Posted Date:-2021-12-31 09:29:50

Question: 
The output of the following code is: class<’set’>.

type({})

1. True

2. False

3.Both a & b

4.None of these

Posted Date:-2021-12-31 08:36:04

Question: 
The ______ function removes the first element of a set and the last element of a list.

1.remove

2. pop

3.discard

4.dispose

Posted Date:-2021-12-31 09:20:36

Question: 
What is the syntax of the following Python code?

>>> a=frozenset(set([5,6,7]))
>>> a

1. {5,6,7}

2.frozenset({5,6,7})

3.Error, not possible to convert set into frozenset

4.Syntax error

Posted Date:-2021-12-31 08:08:32

Question: 
What will be the output of the following Python code snippet?

d = {"john":40, "peter":45}
d["john"]

1.40

2.45

3.“john”

4.“peter”

Posted Date:-2021-12-31 09:29:02

Question: 
What will be the output of the following Python code snippet?

d = {"john":40, "peter":45}
print(list(d.keys()))

1. [“john”, “peter”]

2.[“john”:40, “peter”:45]

3.(“john”, “peter”)

4. (“john”:40, “peter”:45)

Posted Date:-2021-12-31 09:30:20

Question: 
What will be the output of the following Python code snippet?

d = {"john":40, "peter":45}

1. “john”, 40, 45, and “peter”

2.“john” and “peter”

3.40 and 45

4.d = (40:”john”, 45:”peter”)

Posted Date:-2021-12-31 09:27:33

Question: 
What will be the output of the following Python code snippet?

d1 = {"john":40, "peter":45}
d2 = {"john":466, "peter":45}
d1 > d2

1.True

2.False

3.Error

4.None of these

Posted Date:-2021-12-31 09:28:38

Question: 
What will be the output of the following Python code snippet?

d1 = {"john":40, "peter":45}
d2 = {"john":466, "peter":45}
d1 == d2

1.True

2.False

3. None

4.error

Posted Date:-2021-12-31 09:28:15

Question: 
What will be the output of the following Python code snippet?
z=set('abc')
z.add('san')
z.update(set(['p', 'q']))
z

1. {‘abc’, ‘p’, ‘q’, ‘san’}

2. {‘a’, ‘b’, ‘c’, [‘p’, ‘q’], ‘san}

3. {‘a’, ‘c’, ‘c’, ‘p’, ‘q’, ‘s’, ‘a’, ‘n’}

4. {‘a’, ‘b’, ‘c’, ‘p’, ‘q’, ‘san’}

Posted Date:-2021-12-31 08:40:37

Question: 
What will be the output of the following Python code?

>>> a={1,2,3}
>>> b=a
>>> b.remove(3)
>>> a

1. {1,2,3}

2.Error, copying of sets isn’t allowed

3. {1,2}

4.Error, invalid syntax for remove

Posted Date:-2021-12-31 08:11:24

Question: 
What will be the output of the following Python code?

>>> a={1,2,3}
>>> b=a.add(4)
>>> b

1. 0

2.{1,2,3,4}

3.{1,2,3}

4. Nothing is printed

Posted Date:-2021-12-31 08:12:29

Question: 
What will be the output of the following Python code?

>>> a={1,2,3}
>>> b=a.copy()
>>> b.add(4)
>>> a

1. {1,2,3}

2.Error, invalid syntax for add

3. {1,2,3,4}

4.Error, copying of sets isn’t allowed

Posted Date:-2021-12-31 08:12:04

Question: 
What will be the output of the following Python code?

>>> a={1,2,3}
>>> b=frozenset([3,4,5])
>>> a-b

1. {1,2}

2.Error as difference between a set and frozenset can’t be found out

3. Error as unsupported operand type for set data type

4. frozenset({1,2})

Posted Date:-2021-12-31 08:13:18

Question: 
What will be the output of the following Python code?

>>> a={1,2,3}
>>> {x*2 for x in a|{4,5}}

1. {2,4,6}

2.Error, set comprehensions aren’t allowed

3. {8, 2, 10, 4, 6}

4.{8,10}

Posted Date:-2021-12-31 08:14:07

Question: 
What will be the output of the following Python code?

>>> a={4,5,6}
>>> b={2,8,6}
>>> a+b

1.{4,5,6,2,8}

2.{4,5,6,2,8,6}

3.Error as unsupported operand type for sets

4.Error as the duplicate item 6 is present in both sets

Posted Date:-2021-12-31 08:04:11

Question: 
What will be the output of the following Python code?

>>> a={5,4}
>>> b={1,2,4,5}
>>> a<b

1.{1,2}

2.True

3.False

4.Invalid operation

Posted Date:-2021-12-31 08:02:11

Question: 
What will be the output of the following Python code?

>>> a={5,6,7,8}
>>> b={7,8,10,11}
>>> a^b

1. {5,6,7,8,10,11}

2. {7,8}

3.Error as unsupported operand type of set data type

4. {5,6,10,11}

Posted Date:-2021-12-31 08:05:32

Question: 
What will be the output of the following Python code?

>>> a={5,6,7,8}
>>> b={7,8,9,10}
>>> len(a+b)

1.8

2. Error, unsupported operand ‘+’ for sets

3.6

4. Nothing is displayed

Posted Date:-2021-12-31 08:18:20

Question: 
What will be the output of the following Python code?

>>> s={5,6}
>>> s*3

1.Error as unsupported operand type for set data type

2.{5,6,5,6,5,6}

3.{5,6}

4.Error as multiplication creates duplicate elements which isn’t allowed

Posted Date:-2021-12-31 08:06:09

Question: 
What will be the output of the following Python code?

a = [5,5,6,7,7,7]
b = set(a)
def test(lst):
    if lst in b:
        return 1
    else:
        return 0
for i in  filter(test, a):
    print(i,end=" ")

1. 5 5 6

2. 5 6 7

3. 5 5 6 7 7 7

4.5 6 7 7 7

Posted Date:-2021-12-31 07:52:54

Question: 
What will be the output of the following Python code?

s=set()
type(s)

1. <’set’>

2. <class ‘set’>

3.set

4. class set

Posted Date:-2021-12-31 08:26:44

Question: 
What will be the output of the following Python code?

s={1, 2, 3}
s.update(4)
s

1.{1, 2, 3, 4}

2.{1, 2, 4, 3}

3.{4, 1, 2, 3}

4.error

Posted Date:-2021-12-31 08:30:57

Question: 
What will be the output of the following Python code?
nums = set([1,1,2,3,3,3,4,4])
print(len(nums))

1.7

2.Error, invalid syntax for formation of set

3.4

4.8

Posted Date:-2021-12-31 07:52:26

Question: 
Which of the following functions cannot be used on heterogeneous sets?

1. pop

2.remove

3.update

4.sum

Posted Date:-2021-12-31 08:31:51

Question: 
Which of the following is not the correct syntax for creating a set?

1.set([[1,2],[3,4]])

2. set([1,2,2,3,4])

3.set((1,2,3,4))

4. {1,2,3,4}

Posted Date:-2021-12-31 07:51:49

Question: 
Which of the following lines of code will result in an error?

1.s={abs}

2.s={4, ‘abc’, (1,2)}

3.s={2, 2.2, 3, ‘xyz’}

4.s={san}

Posted Date:-2021-12-31 08:28:19

Question: 
Which of the following statements is used to create an empty set?

1.{ }

2.set()

3.[ ]

4. ( )

Posted Date:-2021-12-31 08:01:44

Question: 
Write a list comprehension for number and its cube for:

l=[1, 2, 3, 4, 5, 6, 7, 8, 9]

1.[x**3 for x in l]

2.[x^3 for x in l]

3. [x**3 in l]

4. [x^3 in l]

Posted Date:-2021-12-31 08:30:32

Posted on by R4R Team

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