Python Set

Which of these about a set is not true?

• Mutable data type

• Allows duplicate values

• Data type with unordered values

• Immutable data type

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

• set([[1,2],[3,4]])

• set([1,2,2,3,4])

• set((1,2,3,4))

• {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))

• 7

• Error, invalid syntax for formation of set

• 4

• 8

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 5 6 7 7 7

• 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}

• True

• False

• Invalid operation

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

• print(len(a))

• print(min(a))

• a.remove(5)

• a[2]=45

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

• a={5,5,6,7}

• a={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}

• {4,5,6,2,8,6}

• 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 unsupported operand type for set data type

• Error as the duplicate item 6 is present in both sets