Python Level 2

Welcome to your Python Level 2

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1.

What is the function of using the discard() method in sets?

Deselect Answer

Adds an element to the set

Checks if an element exists in the set

Returns and removes an element from the set

Removes an element from the set

2.

What is the output of the following Python code?

a=5
b=”10”
print( a + int(b) )

Deselect Answer

15

51

510

error

3.

What is the purpose of using the lambda keyword in Python?

Deselect Answer

To define anonymous functions

To define classes

To define functions

To define variables

4.

Which of the following is not a valid variable name in Python?

Deselect Answer

edSlash_var

edSlash2

_edSlash

2edSlash

5.

Which of the following data type is mutable in Python?

Deselect Answer

String

List

Dictionary

Tuple

6.

What is the output of the following Python code?

my_dict = {'a': 1, 'b': 2, 'c': 3}
print(my_dict.keys())

Deselect Answer

[‘a’,’b’,’c’]

[1,2,3]

Error

['a', 1, 'b', 2, 'c', 3]

7.

Which of the following loops is not supported in Python programming?

Deselect Answer

while

do-while

for

None of the above

8.

Which of the following methods is used to check the common elements in two sets?

Deselect Answer

intersection()

issubset()

issuperset()

isdisjoint()

9.

What is the function of the “pass” statement in Python?

Deselect Answer

It is used as a placeholder for future code.

It is used to exit a loop.

Both A and B

It avoids getting an error where empty code is not allowed.

10.

What will be the output of following Python code?

my_tuple = ('e','d','S','l','a','s','h')
print(my_tuple[-4:-2])

Deselect Answer

('s', 'h')

('a','s')

('l', 'a')

('l', 'a','h')

11.

Which of the following methods is a correct way to remove an element from a list in Python?

Deselect Answer

all of the above

list.remove(element)

list.pop(element)

del list[element]

12.

What is the output of the following code?

set1 = {1, 2, 3}
set2 = {3, 4, 5}
print(set1.symmetric_difference(set2))

Deselect Answer

{3}

{1, 2, 4, 5}

{1, 2, 3}

Error

13.

What is the function of using tuples in Python?

Deselect Answer

To store duplicate elements

To store mutable data

To store a sequence of elements

To store key-value pairs

14.

Which of the following statements is true about if statement in Python?

Deselect Answer

It can only have one condition

It should be followed by ‘elif’ or ‘else’

It cannot be nested

It can be used without ‘elif’ or ‘else’

15.

What does the len() function returns in Python?

Deselect Answer

Returns the number of elements in a list

Returns the length of a string

Returns the number of characters in a file

All of the above

16.

What will be the output of following Python code?

num=10
def func(num):
print('number is',num)
num=20
print('number is changed to local',num)

func(num)
print('present number is',num)

Deselect Answer

number is 10 number is changed to local 20 present number is 20

None of the above.

number is 10 number is changed to local 20 present number is 30

number is 10 number is changed to local 20 present number is 10

17.

What is the output of the following Python code?

def square(n):
return n * n

numbers = [1, 2, 3, 4, 5]
square_numbers = list(map(square, numbers))
print(square_numbers)

Deselect Answer

[1, 4, 9, 16, 25]

[2, 4, 6, 8, 10]

[1, 3, 5, 7, 9]

[1, 2, 3, 4, 5]

18.

Which statements are used by Python in Exception handling?

Deselect Answer

try

except

finally

All of the above

19.

Which of the following methods is used to find the number of occurrences of an element in a tuple?

Deselect Answer

append()

index()

insert()

count()

20.

What is the output of the following Python code?

str = "Python Programming"
Print(str.split())

Deselect Answer

['Python', 'Programming']

['Py', 'thon', ' Pro', 'gram', 'ming']

['Python', ' ', 'Programming']

['PythonProgramming']

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