Adapter Pattern Adapter pattern works as a bridge between two incompatible interfaces. This type of design pattern comes under structural pattern as this pattern combines the capability of two independent interfaces This pattern involves a single class which is responsible to join functionalities of independent or incompatible interfaces, A real life example could be a case of card reader which acts as an adapter between memory card and a laptop. You plugins the memory card into card reader and card reader into the laptop so that memory card can be read via laptop We are demonstrating use of Adapter pattern via following example in which an audio player device can play mp3 files only and wants to use an advanced audio player capable of playing vic and mp4 files. Implementation We've an interface Media Player interface and a concrete class Audio Player implementing the Media Player interface. Audio Player can play mp3 format audio files by default We're having another interface Advanced Media Player and concrete classes implementing the Advanced Media Player interface. These classes can play vic and mp4 format files We want to make Audio Player to play other formats as well. To attain this, we've created an adapter class MediaAdapter which implements the Media Player interface and uses Advanced Media Player objects to play the required format. Audio Player uses the adapter class MediaAdapter passing it the desired audio type without knowing the actual class which can play the desired format. AdapterPatternDemo, our demo class will use Audio Player class to play various formats.
Answers
The Adapter pattern serves as a bridge between two incompatible interfaces. It is a structural design pattern that combines the capabilities of two independent interfaces. In real-life scenarios, an adapter can be compared to a card reader that acts as an intermediary between a memory card and a laptop.
To demonstrate the use of the Adapter pattern, let's consider an example where an audio player device can only play mp3 files. However, we want the audio player to be capable of playing other formats such as vic and mp4. In this implementation, we have a MediaPlayer interface and a concrete class AudioPlayer that implements this interface to play mp3 files. Additionally, we have an AdvancedMediaPlayer interface and concrete classes that implement this interface to play vic and mp4 files. To enable the AudioPlayer to play other formats, we create an adapter class called MediaAdapter.
This adapter class implements the MediaPlayer interface and utilizes AdvancedMediaPlayer objects to play the desired format. The AudioPlayer class uses the MediaAdapter by passing it the desired audio type without needing to know the actual class capable of playing that format. Finally, in the AdapterPatternDemo class, we use the AudioPlayer to play various formats using the adapter.
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Related Questions
A two-cavity klystron operates at 5 GHz with D.C. beam voltage 10 Kv and cavity gap 2mm. For a given input RF voltage, the magnitude of the gap voltage is 100 Volts. Calculate the gap transit angle and beam coupling coefficient.
Answers
The gap transit angle and the beam coupling coefficient of the two-cavity klystron are given as below:Calculation of gap transit angle:The gap transit angle is given by the relation,θg = (2π × fg × L) / (vz)where fg is the operating frequency of the klystron, L is the length of the drift space, and vz is the axial velocity of the electron beam.
In this case, the operating frequency of the klystron is given as 5 GHz. The drift space length is calculated as follows:L = (d1 + d2 + 2a) = (2 × 0.01 + 0.002) m = 0.022 mwhere d1 and d2 are the lengths of the cavity resonators, and a is the cavity gap length. We know that the axial velocity of the electron beam can be calculated as,vz = (2 × e × DC voltage / m)^(1/2) = (2 × 1.6 × 10^-19 × 10 × 10^3 / 9.1 × 10^-31)^(1/2) = 2.67 × 10^7 m/swhere e is the electronic charge, DC voltage is the beam voltage, and m is the mass of the electron.
Therefore, the gap transit angle is given as,θg = (2π × 5 × 10^9 × 0.022) / (2.67 × 10^7)≈ 5.88 degrees.Calculation of beam coupling coefficient:The beam coupling coefficient is given by the relation,k = VG / Vbin which VG is the output voltage of the second cavity and Vb is the input voltage to the first cavity. VG can be calculated as follows:VG = QL × Vgwhere QL is the loaded Q-factor of the second cavity, and Vg is the gap voltage.In this case, Vg is given as 100 V.
The loaded Q-factor can be calculated as follows:QL = (2π × fg × L) / Rwhere R is the resistance of the second cavity. The resistance of the second cavity can be calculated as,R = (4Q^2 / RL)where Q is the unloaded Q-factor and RL is the loaded resistance of the second cavity. We know that the unloaded Q-factor is given as,Q = (ω × L) / (R0 × C)where R0 is the characteristic resistance of free space, and C is the capacitance of the second cavity. The capacitance of the second cavity can be calculated as,C = ε0 × A / dwhere ε0 is the permittivity of free space, A is the cross-sectional area of the second cavity, and d is the length of the cavity gap.
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What is the output for the following code?
print (5*4+5)
Answers
Answer:
It will just print 5*4+5 .
But you still need to add " ".
Select the correct answer.
What is the Web of Trust?
А.
a group of experts who rate reviews as good or bad
a group of experts who analyze reviews before they go online
B.
C. a group of reviewers who review products frequently
D. a group of reviewers with your highest ratings
Reset
Next
Answers
A group of reviewers with your highest ratings
Answer: A.
Explanation:
A. a group of experts who rate wiews as good or bad.
Which of the below would provide information using data-collection technology?
Buying a new shirt on an e-commerce site
Visiting a local art museum
Attending your friend's baseball game
Taking photos for the school's yearbook
Answers
The following statement would provide the information by utilising data-collection technology: Buying a new shirt on an e-commerce site.
What is data collection?
The process of obtaining and analysing data on certain variables in an established system is known as data collection or data gathering. This procedure allows one to analyse outcomes and provide answers to pertinent queries. In all academic disciplines, including the physical and social sciences, the humanities, and business, data collecting is a necessary component of research. Although techniques differ depending on the profession, the importance of ensuring accurate and truthful collection does not change. All data gathering efforts should aim to gather high-caliber information that will enable analysis to result in the creation of arguments that are believable and convincing in response to the issues that have been addressed. When conducting a census, data collection and validation takes four processes, while sampling requires seven steps.
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where is the rearview monitor camera typically located?
Answers
The rearview monitor camera is an important component of modern vehicles that allows drivers to see what's behind them while reversing. Many people may wonder where this camera is typically located on a car.
The location of the rearview monitor camera can vary depending on the make and model of the vehicle. However, most cars have the camera installed near the rear license plate. This placement allows for a clear view of the area behind the car, which is especially helpful when parallel parking or reversing in tight spaces.
In some cases, the camera may be located inside the trunk or hatchback door, which can provide a wider angle of view. Additionally, some high-end vehicles may have multiple cameras installed for a 360-degree view of the car's surroundings.
In conclusion, the rearview monitor camera is typically located near the rear license plate of a vehicle, although its exact placement can vary depending on the make and model of the car. This camera is an important safety feature that allows drivers to see what's behind them while reversing, which can help prevent accidents and damage to the vehicle.
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Write an LMC program as follows instructions:
A) User to input a number (n)
B) Already store a number 113
C) Output number 113 in n times such as n=2, show 113
113.
D) add a comment with a details exp
Answers
The LMC program takes an input number (n) from the user, stores the number 113 in memory, and then outputs the number 113 n times.
The LMC program can be written as follows:
sql
Copy code
INP
STA 113
INP
LDA 113
OUT
SUB ONE
BRP LOOP
HLT
ONE DAT 1
Explanation:
A) The "INP" instruction is used to take input from the user and store it in the accumulator.
B) The "STA" instruction is used to store the number 113 in memory location 113.
C) The "INP" instruction is used to take input from the user again.
D) The "LDA" instruction loads the value from memory location 113 into the accumulator.
E) The "OUT" instruction outputs the value in the accumulator.
F) The "SUB" instruction subtracts 1 from the value in the accumulator.
G) The "BRP" instruction branches back to the "LOOP" label if the result of the subtraction is positive or zero.
H) The "HLT" instruction halts the program.
I) The "ONE" instruction defines a data value of 1.
The LMC program takes an input number (n) from the user, stores the number 113 in memory, and then outputs the number 113 n times.
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Relani is a new Internet search engine. The site focuses on displaying the most popular, frequently accessed sites worldwide first in any search, encouraging users to explore the most optimal options. In this case, Relani avoids:_______.
a. Attribute determinance.
b. Peripheral-route processing.
c. Information overload.
d. Central-route processing.
e. Problem recognition
Answers
Relani is a new Internet search engine. The site focuses on displaying the most popular, frequently accessed sites worldwide first in any search, encouraging users to explore the most optimal options. In this case, Relani avoids Information overload. Therefore the correct answer is Option C.
Relani's emphasis on prioritizing the most well-known, regularly visited websites across the globe in any search helps to reduce the number of possibilities displayed to the user and prevent them from being overloaded with information, which is a common issue with other search engines.
Using this strategy, consumers' search processes will be made simpler and the likelihood of information overload would be decreased.
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When both source and destination files need constant updating, use _____________.
A.) cropping
B.) embedding
C.) linking
D.) pasting
Answers
When both source and destination files need constant updating, use embedding or linking.
What is the destination file?The file is known to be one that is linked or said to be a form of embedded object that is often inserted into, or that data is saved to.
Note that the source file is one that has the information that is used to create the object and as such, when there is issues, one can use linking.
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Please give answers between 500 words.
What have been the major issues and benefits in
Electronic Data Interchanges (EDI) and Web-Based/Internet
Tools?
Answers
The major issues and benefits of electronic data interchange (EDI) and web-based/Internet tools, such as compatibility and standardization, privacy, cost, dependence on internet connectivity, etc.,
One of the challenges of EDI is that it is ensuring compatibility between different systems and also establishing standardized formats for data exchange. It requires agreement and coordination among trading partners in order to ensure the seamless communication, while there are many benefits that include EDI and web-based tools that enable faster and more efficient exchange of information, eliminating manual processes, paperwork, and potential errors. Real-time data exchange improves operational efficiency and enables faster decision-making. Apart from this, there are many other benefits to these.
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An independent cybersecurity researcher has contacted your company to prove a buffer overflow vulnerability exists in one of your applications. Which technique would have been most likely to identify this vulnerability in your application during development
Answers
The technique that would have been most likely to identify a buffer overflow vulnerability in your application during development is "Static Code Analysis" or "Static Application Security Testing (SAST)".
Static code analysis involves analyzing the source code of an application without actually executing it. This technique can help detect potential vulnerabilities, including buffer overflows, by examining the code for unsafe programming practices, incorrect memory handling, and potential security flaws.
By using static code analysis tools or performing manual code reviews, developers can identify and fix vulnerabilities early in the development process, reducing the risk of such issues making their way into the deployed application.
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yo who down to play some games rn
Answers
me lol ....................
Hmmmmmmmmmmmm nah maybe eh
the most powerful computers, , can evaluate complex data very quickly. many of these computers in the united states are owned by the government or major research institutions and can cost $1 million dollars or more.
Answers
The most powerful computers, supercomputers, can evaluate complex data very quickly. Many of these computers in the United States are owned by the government or major research institutions and can cost $1 million dollars or more.
What is a computer?A computer can be defined as an electronic device that is designed and developed to receive data in its raw form as an input and processes these data through the central processing unit (CPU) into an output (information) that could be seen and used by an end user.
What is a supercomputer?A supercomputer simply refers to one of the most powerful computers that is designed and developed for handling, evaluating, and solving very complicated problems or tasks. Additionally, supercomputers have the ability to carry out trillions of calculations per second.
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Complete Question:
The most powerful computers, _____, can evaluate complex data very quickly. Many of these computers in the United States are owned by the government or major research institutions and can cost $1 million dollars or more.
a company that contracts with another organization that specializes in user support is using ____.
Answers
A company that contracts with another organization specializing in user support is using outsourcing.
Outsourcing involves delegating specific tasks or processes, such as user support, to external organizations with expertise in that particular area. This strategy allows the company to focus on its core competencies while benefiting from the specialized knowledge and experience of the external organization. Through outsourcing, companies can achieve greater efficiency, cost savings, and improved customer service.
This collaborative approach enables the company to access industry best practices and advanced technologies provided by the external organization, ensuring optimal user support and satisfaction for their customers. In summary, outsourcing user support services helps a company maintain a competitive edge and enhance its overall performance.
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if execution time binding is used, a) logical addresses of process may change over time but physical addresses remain the same. b) physical addresses of process may change over time but logical addresses remain the same. c) both physical and logical addresses may change over time. d) both physical and logical addresses remain the same over time.
Answers
If execution time binding is used, (Option A.) physical and logical addresses of the process may change over time.
Since execution time binding is used, the logical addresses of process may change over time.
Execution Time Binding: Allowing a Process to be Executed in a Specific Memory LocationThis is because the process may be moved to a different memory location during its execution. However, the physical addresses of the process will remain the same.
When a process is executed, it is typically bound to a specific memory location. This means that the process's logical address will remain the same throughout its execution. However, the physical address of the process may change over time. This is because the process may be moved to a different memory location during its execution.
Execution time binding is used in order to allow a process to be executed in a specific memory location. This is beneficial because it allows the process to be executed predictably. Additionally, it can help to prevent errors from occurring.
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an engineer learns a new security threat mitigation technique. the technique maps an ip address to a non-existent host, and is useful in stopping denial of service attacks. traffic heading to these ips can be captured for analysis or discarded. considering the available techniques, which might the engineer try to use? (select all that apply.)
Answers
A black hole in network architecture discards traffic without informing the source and before it reaches its final destination.
Using traffic routed to an IP address that an administrator mistakenly assigned to an invalid host as an example The two terms "sinkhole" and "black hole" are frequently used interchangeably. However, with sink holing, an admin typically still has some control over how to examine and forward the traffic that was collected. A software program known as a "packet sniffer" can be used to capture all network packets that are sent over a specific collision domain by using a network adapter card in promiscuous mode, which transmits all packets received on the physical network cable to an application for processing.
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You are configuring a new email server for your organization and need to implement a firewall solution. The firewall will be designed to handle connections to the email server. Which of the following would be the BEST firewall solution?
Answers
The best firewall solution for configuring a new email server is: an Application Layer Firewall such as SMTP, POP3, and IMAP.
It is installed between two or more networks or hosts to control access to the network or host. A host-based firewall is a type of firewall that is installed on an endpoint or host machine rather than on a network device such as a router. It protects the machine from unauthorized access to and from the network or the internet.
A host-based firewall is the best firewall solution for an email server because it can limit access to the server to only authorized users or devices. This will help prevent unauthorized access to the email server and protect the organization's confidential information.
So that's for answering the question: "You are configuring a new email server for your organization and need to implement a firewall solution. The firewall will be designed to handle connections to the email server. Which of the following would be the BEST firewall solution?"
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What is digital divide
Answers
Explanation:
A digital divide is any uneven distribution in the access to, use of, or impact of information and communications technologies between any number of distinct groups, which can be defined based on social, geographical, or geopolitical criteria, or otherwise.
CALCULATE THE PERCENTAGE OF FAT CALORIES TO TOTAL CALORIES. I got no idea how to do this in excel ;-;
Answers
Answer:
As you have the Fat Cal. in column C and the total calories in Column B, what you have to do is to divide column C by Column B.
For instance, in column E2, put the formula: =C2/B2.
Then drag the formula down so that the other formulas will be;
E3; =C3/B3
E4; =C4/B4
E5: C5/B5
E6: C6/B6
Then after that you go to the Home tab, then to the Number style section and format E2 to E5 to be percentages.
What statement best describes operating systems?
O It's possible for modern computers to function without operating systems.
O Most operating systems are free or very inexpensive.
Operating systems are managed by the computer's microprocessor (CPU).
O Operating systems manage the computer's random access memory (RAM).
Answers
Answer: D) Operating Systems manage the computer's random access memory (RAM)
Explanation:
It's not A because all modern computers use some form of an Operating System.
It's not B because some Operating Systems can cost hundreds of dollars.
While C has some truth to it, it's reversed. Operating Systems are there to manage and allocate system resources, and D is the better choice.
The statement that best describes operating systems is D. Operating systems manage the computer's random access memory (RAM).
Operating systems simply means the software which supports the basic functions of a computer like scheduling tasks and the control of peripherals.
An operating system is a system software that helps in managing computer hardware and software resources. It's vital in managing the computer's random access memory.
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Question 1:
Define what they do?
Command + B
Command + D
Command G
Question 2:
Select any of the five tools from the toolbar in adobe illustrator.
Explain what the do..
Answers
Answer 1:
Command + B: In Adobe Illustrator, Command + B is a keyboard shortcut used to apply bold formatting to selected text.
Command + D: In Adobe Illustrator, Command + D is a keyboard shortcut used to repeat the last action or command. This can be useful for quickly duplicating elements or repeating a complex series of steps.
Command + G: In Adobe Illustrator, Command + G is a keyboard shortcut used to group selected objects together. Grouping objects allows you to treat them as a single object, making it easier to move, rotate, or manipulate them as a unit.
What is Answer 2?One of the five tools from the toolbar in Adobe Illustrator is the Selection tool. The Selection tool is used to select, move, and manipulate objects within the document. It is represented by the black arrow icon in the toolbar.
Therefore, When an object is selected with the Selection tool, you can perform actions such as moving, resizing, rotating, or modifying the shape or appearance of the object. The Selection tool is a basic and essential tool for working in Adobe Illustrator, and is used frequently throughout the design process.
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in which step of web design is storyboarding helpful?
a
Coding
b
Editing
c
Planning
d
Publishing
Answers
Answer:
the soup become too salty through the process of osmosis system specific message and you can get my points
Explanation:
his email address is going to change your notification delivery settings for Corona CA and you know that
Write a C program mywho whose behavior that closely resembles the system command who . To decide what information in what format mywho should display, run the standard who command on your computer:
$ who
stan console Sep 17 08:59
stan ttys000 Sep 24 09:21
mywho is not expected to accept any command line arguments.
Answers
In order to create a C program called mywho that behaves similarly to the system command who, we will need to first understand what information and format the who command displays. Running the who command on our computer shows us a list of users currently logged in, along with their terminal/console and the time they logged in.
To create our mywho program, we will need to use system calls to access this information and display it in the same format as the who command. Specifically, we will use the getutent() function to access the utmpx database, which contains information about current users and their login sessions.
Our mywho program will need to loop through the entries in the utmpx database and print out the relevant information for each user in the same format as the who command. This includes the user's name, terminal/console, and login time.
Since the mywho program is not expected to accept any command line arguments, we will need to hardcode the functionality to access the utmpx database and display the information in the correct format.
Overall, the behavior of our mywho program will closely resemble the system command who by displaying information about current users and their login sessions in the same format.
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what are the differences between Cc & Bcc in emails that are sent ?
Answers
Cc stands for " carbon copy " and Bcc stands for " Blind carbon copy ". The difference between Cc and Bcc is that carbon copy (CC) recipients are visible to all other recipients whereas those who are BCCed are not visible to anyone.
Answer:
CC- Carbon copy
BCC- Blind carbon copy
Explanation:
What does CC mean?
In email sending, CC is the abbreviation for “carbon copy.” Back in the days before internet and email, in order to create a copy of the letter you were writing, you had to place carbon paper between the one you were writing on and the paper that was going to be your copy.
Just like the physical carbon copy above, CC is an easy way to send copies of an email to other people.
If you’ve ever received a CCed email, you’ve probably noticed that it will be addressed to you and a list of other people who have also been CCed.
What does BCC mean?
BCC stands for “blind carbon copy.” Just like CC, BCC is a way of sending copies of an email to other people. The difference between the two is that, while you can see a list of recipients when CC is used, that’s not the case with BCC. It’s called blind carbon copy because the other recipients won’t be able to see that someone else has been sent a copy of the email.
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Merry Christmas ! good day
a security perimeter could be defined as the boundary between a vpn, firewall or router.
true or false
Answers
Answer: False
Explanation:
A VPN (Virtual Private Network), firewall, or router can be used as security measures to help protect the security perimeter, but they do not define the perimeter itself. The perimeter is defined by the organization's network architecture and the point at which it interfaces with external networks.
how do you force text in a column to the top of the next column?
Answers
To force text in a column to the top of the next column, you can use the "Keep with next" option in your document formatting.
This option tells the program to keep the current paragraph with the next paragraph, so they will always appear together at the top of the next column or page.
To do this, select the paragraph or text you want to move to the next column, go to the "Paragraph" dialog box, and check the "Keep with next" option.
This will ensure that the text stays together and moves to the top of the next column when necessary.
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C
Describe the scope of the variables in this code.
class cholesterol:
low Density = 0
highDensity = 0
class patient:
definit__(self, firstName.lastName,id Num):
self.firstName = f[rstName
self.lastName = lastName
self.id Num = idNum
def str (self):
return self.firstName +""+self.lastName + " + self.id Num
The scope of high Density is limited to the patient class
The scope of firstName is limited to the cholesterol class
Answers
Answer:
The scope of highDensity is accessible by the entire program .
The scope of firstName is limited to the patient class .
Explanation:
Correct answer edge 2020
The scope of highDensity is limited to the cholesterol class and the scope of the firstName is limited to the patient class.
Variable scopeThe accessibility of a program is described by the scope of a variable.
To put it another way, it's the part of the program where the variable is identified.
The place you declared a variable determines the scope. There are two major scopes of variables in python.
Global variablesLocal variablesTherefore, the scope of highDensity is limited to the cholesterol class and the scope of the firstName is limited to the patient class.
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With the tables you created:
Division (DID, dname, managerID)
Employee (empID, name, salary, DID)
Project (PID, pname, budget, DID)
Workon (PID, EmpID, hours)
Use INTERSECT operation to list the name of project chen and larry both work on
Answers
If i have a table that consist of:
I can be able to make use the INTERSECT operation in SQL to be able to see the common projects that belongs to Chen and Larry.
What is the INTERSECT operation about?In the above query, a person can be able to link up the tables Project, Workon, as well as the Employee a lot of times to link the projects with the employees that is said to work on them.
Note that one can make use of aliases (such as w1, w2, e1, e2) to be able to know the differences that exist between the different examples of the same table.
Therefore, the WHERE clause is one that tends to filters the results hence note that the real column names in your own tables can or may not be the same with mine, so if that is the case, you can adjust the query as according to your own table structure.
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Text books are not a good source for finding ideas about what to study because the teachers make up the test questions. Please select the best answer from the choices provided T F
Answers
Answer:
Text books are not a good source for finding ideas about what to study because the teachers make up the test questions. False- most teachers use the textbooks as guides. Visiting the library to seek books on your current topic will not help you in determining what to study.
Explanation:
Text books are not a good source for finding ideas about what to study because the teachers make up the test questions. False- most teachers use the textbooks as guides. Visiting the library to seek books on your current topic will not help you in determining what to study.
Answer:
False
Explanation: I took the test and passed!!
In Python in order for a sort to work, which of the following is required?
The members of the list are all integers.
The members of the list are all strings.
The members of the list are all numeric.
They can be compared using a greater than operation.
Answers
Answer:
They can be compared using a greater than operation.
Explanation:
In Python, in order for a sort to work,They can be compared using a greater than operation. Therefore, option D is correct.
What is a python ?A high-level, all-purpose programming language is Python. Code readability is prioritized in its design philosophy, which makes heavy use of indentation. Python uses garbage collection and has dynamic typing. It supports a variety of paradigms for programming, including functional, object-oriented, and structured programming.
Python is an object-oriented, interpretive programming language. Classes, dynamic typing, very high level dynamic data types, exceptions, modules, and exception handling are all included. It supports a variety of programming paradigms, including procedural and functional programming in addition to object-oriented programming.
Python is today among the most well-known and frequently used programming languages in the world, despite having its origins as a side project bearing the moniker Monty Python. Python is used for data analytics, machine learning, and even design in addition to web and software development.
Thus, option D is correct.
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A pennant-shaped sign means you are in a _____ zone.
Answers
Answer:
The pennant-shape is only used as a road sign to signal a no-passing zone. No passing zones are stretches of roadway where drivers are not allowed to move into the adjacent lane to pass a vehicle in front.