PCAP Practice Questions

If any of a class’s components has a name that starts with two underscores (___), then:

How many elements will the listl list contain after execution of the following snippet?

The following class definition is given. We want the show () method to invoke the get () method, and then output the value the get () method returns. Which of the invocations should be used instead of XXX?

You are going to read 16 bytes from a binary file into a bytearray called data. Which lines would you use? (Select two answers)

A developer has implemented a class hierarchy with multiple inheritance that exhibits the 'diamond problem'. They want to understand how Python's Method Resolution Order (MRO) will resolve a method call. Given the following code, what is the printed output?

class A:
def ping(self):
print('A')

class B(A):
def ping(self):
print('B')
super().ping()

class C(A):
def ping(self):
print('C')
super().ping()

class D(B, C):
def ping(self):
print('D')
super().ping()

d = D()
d.ping()

What is the expected behavior of the following code?

It will:

Which of the equations are True? (Select two answers)

What will the value of the i variable be when the following loop finishes its execution?

Which of the listed actions can be applied to the following tuple? (Select two answers)

Files with the suffix .pyc contain: