- Python Test 6

Which of these about a set is not true?

Allows duplicate values

Mutable data type

Immutable data type

Data type with unordered values

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

{1,2,3,4}

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

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

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

What will be the output of the following Python code?

nums = set([1,1,2,3,3,3,4,4])
 print(len(nums))

4

8

7

Error, invalid syntax for formation of set

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=" ")

5 5 6

5 6 7

5 6 7 7 7

5 5 6 7 7 7

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

set()

{ }

[ ]

( )

What will be the output of the following Python code?

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

{1,2}

Invalid operation

False

True

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

a[2]=45

a.remove(5)

print(min(a))

print(len(a))

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

a={5,6,7}

a={5,5,6,7}

Error as there is no add function for set data type

Error as 5 already exists in the set

What will be the output of the following Python code?

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

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

{4,5,6,2,8}

Error as unsupported operand type for sets

Error as the duplicate item 6 is present in both sets

What will be the output of the following Python code?

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

{4,5}

{6}

Error as the duplicate item 6 is present in both sets

Error as unsupported operand type for set data type

What will be the output of the following Python code?

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

{5,6,10,11}

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

{7,8}

Error as unsupported operand type of set data type

What will be the output of the following Python code?

s={5,6}
 s*3

Error as unsupported operand type for set data type

Error as multiplication creates duplicate elements which isn’t allowed View Answer

{5,6,5,6,5,6}

{5,6}

What will be the output of the following Python code?

a={5,6,7,8}
 b={7,5,6,8}
 a==b

True

False

What will be the output of the following Python code?

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

Invalid operation

{5}

{3,4,6,7}

{3, 4, 5, 6, 7}

Is the following Python code valid?

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

Yes, {7,5} is printed

Error, subsets aren’t allowed

Error, elements of a set can’t be printed

Yes, 7 is printed