How can a developer declare a string identifier? (Select TWO.)

msg = “I’m a ” + ”message”

string msg = “I’m a message”

string msg = ‘’‘I’m a message’‘’

A developer declared the following identifier: msg = “The answer is: ” Which action would raise an exception ?

msg2 = msg + “AWS ” + ‘Rocks!’

msg2 = msg + ‘’‘12’‘’

What is a Python module?

A set of functions that are grouped together

A built-in function that comes packaged with Python

A function that is written in C and that can be used in a Python program

The documentation of a Python function

What is the JavaScript Object Notation (JSON) library commonly used for?

To transform data that will be sent or received over a network

To read and execute JavaScript scripts

To embed Python code into webpages

To make sure that a Python program can use Java libraries

A Python library for working with internet protocols

A Python interpreter for running Python programs

A Python documentation generator

What is the purpose of exception handling?

To detect and manage errors so that a program does not end unexpectedly

To display details when a Python program ends abnormally

To help debug Python code when an issue occurs

To display errors when an unknown module is imported

Which example represents a conditional statement?

If the customer has already made more than five purchases, grant them a 5 percent discount.

For every purchase that is more than ten euros, add 10 percent of the purchase to the reward account of the customer.

While the shopping cart is not empty, get the next item, add 10 percent of the value of the item to the reward account, and then remove the item from the shopping cart.

Grant every customer a 5 percent discount.

Which statements about the Python while loop are true? (Select TWO.)

It runs as long as a condition is true.

It runs for a certain duration of time.

It runs a certain number of times.

The condition always involves an integer counter.

Which statement about Python lists is true?

They can contain multiple data types (such as string, int, or float).

They are denoted by braces ({}) on each end of the list.

Values are separated by semicolons (;).

They contain keys, and each key is associated with a value.

How can a Python developer avoid repeating the same sequence of code several times?

By using flow control mechanisms

By using only built-in functions

By making sure that the code indentation is correct

A function that returns something

A function that takes no argument

A function that takes one or more arguments

A function that returns nothing

A developer is writing a Python function that calculates and returns the value-added tax (VAT) for a price and a country. (VAT is a type of consumption tax that is levied at each stage of a product’s production, distribution, or sale—that, is when value is added to the product. In some ways, it can be considered to be similar to a sales tax.) The price is of type float, the country is of type string, and the VAT is of type float. What is the correct definition of the function?

def calculateVAT(price, country)

def calculateVAT(float price, string country)

float def calculateVAT(float price, string country)

float def calculateVAT(price, country)

What is the main reason for creating functions?

Ability to use another language in Python code

Ability to overwrite built-in functions

What is an efficient way to find and fix errors in a running application?

Use a debugging tool for dynamic analysis.

Log as many messages as possible in files.

Use the print() method to display how the application is running.

Use a debugging tool for static analysis.

What are the advantages of performing static code analysis instead of dynamic analysis? (Select TWO.)

Bugs can be detected early in the development process.

The exact location of code issues can be identified.

It offers a step-by-step analysis of the code runtime.

What is the purpose of assertions?

To raise errors under certain conditions at runtime

To log a message when an issue occurs

To provide a method for writing if statements in a different way

To provide optimization techniques so that code runs faster

A set of practices and a culture that help automate and monitor software development

A set of tools to build and test software

An agile method to develop software in short cycles

An organization of software developers who participate in software development and software operations

What is true about a well-organized project?

Teams work together in the same way.

Each team follows its programming style guide.

Each team has a dedicated DevOps team.

Which statement about configuration management is true?

It means using tools to track code changes and to roll back if necessary.

It means that the work environment for all developers is correctly configured.

It ensures that code is well-formatted and that it follows style guides.

It is the discipline of managing different teams that are working on a project.

A new developer is working on a project with their team. The new developer is making a few changes to the code. What is the next step for the developer after they update and test the code?

Push the changes to the repository.

Merge the code into the main project.

Add a new version to the repository.

Which type of tool is used for configuration management?

Integrated development environments (IDEs)

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45 questions

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MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is a computer program?

A language that all computers understand and process

A text file with instructions for the computer that are written in a programming language

A graphic document that describes the flow of instructions that a computer can run

A cloud service that translates human-friendly instructions into machine code

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

How does a program that is written in a compiled language run?

Each statement in the program is translated into machine code and run one at a time.

The file that contains the program is compressed before it is run.

The entire program is first translated into machine code before it is run

The statements in the program are run without any translation.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which process represents the practice of writing software iteratively?

Write a little > Test it > Write a little more > Test it.

Write everything > Test everything.

Write a little > Test it > Write the rest.

Test a little > Write everything > Test a little.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which type of tool helps with managing updates and coordinating access to source code?

Version control

Backup

Instant messaging

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which option is a version control tool?

Vim

AWS CloudTrail

PyCharm

Git

MULTIPLE SELECT QUESTION

45 sec • 5 pts

Which languages are considered to be interpreted languages? (Select TWO.)

GoLang

C++

Python

JavaScript

MULTIPLE SELECT QUESTION

45 sec • 5 pts

What are the benefits of using an integrated development environment (IDE) instead of a text editor to write code? (Select TWO.)

IDEs offer a visual approach to software development.

IDEs highlight incorrect syntax.

IDEs convert code that is written in any programming language into Python.

IDEs offer the option to compile or interpret Python.

IDEs suggest fixes for issues.

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What is a computer program?

How does a program that is written in a compiled language run?

Which process represents the practice of writing software iteratively?

Which type of tool helps with managing updates and coordinating access to source code?

Which option is a version control tool?

Which languages are considered to be interpreted languages? (Select TWO.)

What are the benefits of using an integrated development environment (IDE) instead of a text editor to write code? (Select TWO.)

How do you declare an integer variable in Python?

Which Python keyword is used for loop control flow mechanisms?

Which Python keywords are conditional control flow statements? (Select TWO.)

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