Python Level 2

Welcome to your Python Level 2

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1.

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

Deselect Answer

while

for

None of the above

do-while

2.

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, 3, 5, 7, 9]

[1, 2, 3, 4, 5]

[2, 4, 6, 8, 10]

[1, 4, 9, 16, 25]

3.

What does the len() function returns in Python?

Deselect Answer

Returns the length of a string

Returns the number of characters in a file

All of the above

Returns the number of elements in a list

4.

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

Deselect Answer

Adds an element to the set

Removes an element from the set

Returns and removes an element from the set

Checks if an element exists in the set

5.

Which statements are used by Python in Exception handling?

Deselect Answer

except

finally

All of the above

try

6.

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.

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

Both A and B

7.

What is the output of the following Python code?

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

Deselect Answer

Error

[‘a’,’b’,’c’]

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

[1,2,3]

8.

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

Deselect Answer

insert()

index()

count()

append()

9.

What is the function of using tuples in Python?

Deselect Answer

To store a sequence of elements

To store mutable data

To store key-value pairs

To store duplicate elements

10.

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

Deselect Answer

It can only have one condition

It cannot be nested

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

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

11.

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

Deselect Answer

To define variables

To define functions

To define anonymous functions

To define classes

12.

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

('a','s')

('s', 'h')

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

('l', 'a')

13.

Which of the following data type is mutable in Python?

Deselect Answer

String

Tuple

Dictionary

List

14.

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

Deselect Answer

2edSlash

edSlash2

edSlash_var

_edSlash

15.

What is the output of the following Python code?

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

Deselect Answer

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

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

['PythonProgramming']

['Python', 'Programming']

16.

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

Deselect Answer

isdisjoint()

issubset()

issuperset()

intersection()

17.

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, 3}

Error

{1, 2, 4, 5}

18.

What is the output of the following Python code?

a=5
b=”10”
print( a + int(b) )

Deselect Answer

510

51

error

15

19.

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

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

None of the above.

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

20.

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]

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