Lesson 33 - Collection module

What will be the output of the “hello” +1+2+3?

• hello123

• hello

• hello6

• Error

Given a string example=”hello” what is the output of example.count(‘l’)?

• 0

• 1

• 2

• none

What is displayed on executing print(math.fabs(-3.4))?

• -3.4

• 3.4

• 3

• -3

What is the value returned by math.fact(6)?

• 720

• 6

• [1,2,3,6]

• Error

What will be the output of the following Python function if the random module has already been imported?

random.randint(3.5,7)

• Error

• Any integer between 3.5 and 7, including 7

• Any integer between 3.5 and 7, excluding 7

• The integer closest to the mean of 3.5 and 7

What will be the output of the following Python code?

random.randrange(0,91,5)

• 10

• 18

• 79

• 95

Which of these is not true about recursion?

• Making the code look clean

• A complex task can be broken into sub-problems

• Recursive calls take up less memory

• Sequence generation is easier than a nested iteration

What happens if the base condition isn’t defined in recursive programs?

• Program gets into an infinite loop

• Program runs once

• Program runs n number of times where n is the argument given to the function

• An exception is thrown

What will be the output of the following Python code?

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

print(len(nums))

• 4

• 7

• 8

• Error, invalid syntax for formation of set

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

• {}

• set()

• []

• ()