Most Recent Python Institute PCPP-32-101 Exam Dumps

To test whether two variables refer to the same object in memory, you should use theisoperator. Theisoperator returnsTrueif the two variables point to the same object in memory, andFalseotherwise.

For example:

a = [1, 2, 3]

b = a

c = [1, 2, 3]

print(a is b) # True

print(a is c) # False

In this example,aandbrefer to the same list object in memory, soa is breturnsTrue. On the other hand,aandcrefer to two separate list objects with the same values, soa is creturnsFalse.

Official Python documentation on Comparisons:https://docs.python.org/3/reference/expressions.html#not-in

Official Python documentation on Identity comparisons:https://docs.python.org/3/reference/expressions.html#is

Theisoperator is used to test whether two variables refer to the same object in memory. If two variablesxandyrefer to the same object, the expressionx is ywill evaluate toTrue. Otherwise, it will evaluate toFalse.

The@propertydecorator should be defined after the method that is responsible for setting an encapsulated attribute is a false sentence. In fact, the@propertydecorator should be defined before the method that is used to set the attribute value. The@propertydecorator and the setter and deleter methods work together to create an encapsulated attribute, which is used to provide control over the attribute's value.

Official Python documentation on Property:https://docs.python.org/3/library/functions.html#property

The@propertydecorator is used to designate a method as a getter for an instance attribute. The method decorated with@propertyshould be defined before any setter or deleter methods for the same attribute.

The correct answers areB. Option BandD. Option D. Both options B and D are compliant with PEP 8 recommendations for line breaks and indentation. PEP 8 recommends using 4 spaces per indentation level and breaking lines before binary operators. In option B, the arguments to theprintfunction are aligned with the opening delimiter, which is another acceptable way to format long lines according to PEP 8. In option D, the second line is indented by 4 spaces to distinguish it from the next logical line.

1. A socket is a connection point that enables a two-way communication between programs running in a network.

This statement is true because a socket is a software structure that serves as an endpoint for sending and receiving data across a network. A socket is defined by an application programming interface (API) for the networking architecture, such as TCP/IP.A socket can be used to establish a communication channel between two programs running on the same or different network nodes12.

2. A socket is always the secure means by which computers on a network can safely communicate, without the risk of exposure to an attack.

This statement is false because a socket by itself does not provide any security or encryption for the data transmitted over the network. A socket can be vulnerable to various types of attacks, such as eavesdropping, spoofing, hijacking, or denial-of-service.To ensure secure communication, a socket can use additional protocols or mechanisms, such as SSL/TLS, SSH, VPN, or firewall3.

3. A socket is a connection point that enables a one-way communication only between remote processes.

This statement is false because a socket can enable both one-way and two-way communication between processes running on the same or different network nodes. A socket can be used for connection-oriented or connectionless communication, depending on the type of protocol used.For example, TCP is a connection-oriented protocol that provides reliable and bidirectional data transfer, while UDP is a connectionless protocol that provides unreliable and unidirectional data transfer12.

4. A socket can be used to establish a communication endpoint for processes running on the same or different machines.

This statement is true because a socket can be used for inter-process communication (IPC) within a single machine or across different machines on a network.A socket can use different types of addresses to identify the processes involved in the communication, such as IP address and port number for network sockets, or file name or path for Unix domain sockets12.

1: https://en.wikipedia.org/wiki/Network_socket2: https://www.geeksforgeeks.org/socket-in-computer-network/3: https://www.tutorialspoint.com/what-is-a-network-socket-computer-networks

In the given code snippet, an instance ofOwnMathexception is raised with an explicitly specified__cause__attribute that refers to the original exception (ZeroDivisionError). This is an example of explicitly chaining exceptions in Python.