Python Set Comprehension

Question 1

Which symbol is used to denote set comprehension in python?

[ ]

( )

{ }

Question 2

What is set comprehension in python?

A method to convert a list to a set.

A way to create a new set by iterating over an iterable and applying an expression.

A function to remove duplicate elements from a set.

A built-in function to create an empty set.

Question 3

What does the following set comprehension do?

my_set={x for x in range(1, 6) if x % 2==1}
print(my_set)

It creates a set of even numbers from 1 to 5.

It creates a set of odd numbers from 1 to 5.

It creates a set of all numbers from 1 to 5

It raises an error.

Question 4

What is the output of the following set comprehension?

my_set={x for x in range(1, 11) if x % 2==0}
print(my_set)

{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

{1, 3, 5, 7, 9}

{2, 4, 6, 8, 10}

{1, 2, 4, 6, 8, 10}

Question 5

Which of the following is a valid set comprehension that generates a set of squares of numbers from 1 to 4?

{x & x for x in range(1, 5)}

{x ** 2 for x in range(1, 5)}

{x ^ 2 for x in range(1, 5)}

{x + x for x in range(1, 5)}

Question 6

What happens if you use set comprehension to create a set with duplicate elements from an iterable?

It raises an error.

It removes the duplicate elements automatically.

It includes duplicate elements in the resulting set.

It depends on the iterable type.

Question 7

In set comprehension, what does the expression x * 2 do in the following example?

my_set={x * 2 for x in range(1, 6)}

It squares each element of the set.

It adds 2 to each element of the set.

It doubles each element of the set.

It has no effect on the elements of the set.

Question 8

Which of the following statements about set comprehension is true?

Set comprehension can only be used with numerical data.

Set comprehension always produces a sorted set.

Set comprehension can include conditional statements.

Set comprehension can only be used with lists.

Question 9

What is the result of the following set comprehension?

my_set={x for x in range(1, 6)}
print(my_set)

{1, 2, 3, 4, 5}

{1, 2, 3, 4}

{0, 1, 2, 3, 4}

{0, 1, 2, 3, 4, 5}

Question 10

Which of the following is a valid use of a conditional expression in set comprehension?

{x if x % 2 == 0 for x in range(1, 6)}

{x for x in range(1, 6) if x % 2 == 0}

{x = x * 2 for x in range(1, 6)}

{x * 2 if x % 2 == 0 for x in range(1, 6)}

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manish