Python Quiz 1.4

What is the maximum possible length of an identifier?

• 16

• 32

• 64

• None of These

Answer explanation

The maximum possible length of an identifier is not defined in the python language. It can be of any number.

Write the output of the given code

a=[10, 20]

b = a

b+= [30, 40]

print(a)

• [10,20,30,40]

• [10,20,[10,20,30,40]]

• [10,20,30,40,[10,20]]

• None of above

Which of the following statements is correct regarding the object-oriented programming concept in Python?

• Classes are real-world entities while objects are not real

• Objects are real-world entities while classes are not real

• Both objects and classes are real-world entities

• All of the above

What is the method inside the class in python language?

• Object

• Function

• Attribute

• Argument

Which of the following is not a keyword in Python language?

• val

• raise

• try

• with

Which of the following words cannot be a variable in python language?

• _val

• val

• try

• _try_

Which of the following operators is the correct option for power(ab)?

• a^b

• a**b

• a^^b

• a^*b

Study the following function:

round(4.576)

What will be the output of this function?

• 4

• 5

• 576

• 5.0

Study the following function:

all([2,4,0,6])

What will be the output of this function?

• False

• True

• 0

• Invalid code

Answer explanation

If any element is zero, it returns a false value, and if all elements are non-zero, it returns a true value. Hence, the output of this "all([2,4,0,6])" function will be false.

import math

abs(math.sqrt(36))

What will be the output of this code?

• Error

• -6

• 6

• 6.0