Python PCPP Exam Questions and Answers, Certified Professional Python Programmer Level 1 | SPOTO

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Question #1

Which function or operator should you use to obtain the answer True or False to the question: "Do two variables refer to the same object?"

A. The = operator

B. The isinstanceO function

C. The id () function

D. The is operatorcorrect

View answer

Correct Answer: D

Question #2

A junior developer asks for guidance on documenting code using type hints. Which standard should you recommend?

A. PEP 8

B. PEP 20

C. PEP 257

D. PEP 484

View answer

Correct Answer: D

Question #3

What is the result of the following code? What is the result of the following code?

A. ANothing will be displayed

B. BLoading data

C. CDebugging mode has been enabled

D. DDebugging mode has been enabled Loading data

View answer

Correct Answer: B

Question #4

Analyze the following snippet and select the statement that best describes it.

A. The code is syntactically correct despite the fact that the names of the function parameters do not follow the naming convention

B. The *arg parameter holds a list of unnamed parameterscorrect

C. The code is missing a placeholder for unnamed parameters

D. The code is syntactically incorrect - the function should be defined as def f1 (*args, **kwargs) :

View answer

Correct Answer: B

Question #5

What is true about the unbind () method? (Select two answers.)

A. It is invoked from within the events object

B. It is invoked from within a widget's object

C. It needs a widget's object as an argument

D. It needs the event name as an argument

View answer

Correct Answer: BD

Question #6

Analyze the following snippet and select the statement that best describes it.

A. The code is an example of implicitly chained exceptions

B. The code is erroneous as the OwnMath class does not inherit from any Exception type class

C. The code is fine and the script execution is not interrupted by any exception

D. The code is an example of explicitly chained exceptions

View answer

Correct Answer: B

Question #7

What is ElementTree?

A. AA Python built-in module that contains functions used for creating HTML files

B. BA Python library that contains an API used for parsing and manipulating JSON files

C. CA Python library that contains functions and tools used for manipulating text files in GUI Programming

D. DA Python built-in module that contains functions used for parsing and creating XML data

View answer

Correct Answer: D

Question #8

What is true about type in the object-oriented programming sense?

A. AIt is the bottommost type that any object can inherit from

B. BIt is a built-in method that allows enumeration of composite objects

C. CIt is the topmost type that any class can inherit from

D. DIt is an object used to instantiate a class

View answer

Correct Answer: C

Question #9

The following snippet represents one of the OOP pillars. Which one is that?

A. Serialization

B. Inheritance

C. Encapsulation

D. Polymorphism

View answer

Correct Answer: D

Question #10

Analyze the following snippet and select the statement that best describes it.

A. The code is an example of implicitly chained exceptions

B. The code is erroneous as the OwnMath class does not inherit from any Exception type class

C. The code is fine and the script execution is not interrupted by any exception

D. The code is an example of explicitly chained exceptions

View answer

Correct Answer: D

Question #11

Select the true statements about the sqlite3 module. (Select two answers.)

A. The fetchalt method returns None when no rows are availablecorrect

B. The execute method allows you to perform several queries at once

C. The execute method is provided by the Cursor classcorrect

D. The fetchone method returns None when no rows are availablecorrect

View answer

Correct Answer: ACD

Question #12

Look at the following code snippets and decide which ones follow PEP 8 recommendations for whitespaces in expressions and statements (Select two answers.) A) No whitespace immediately before the opening parenthesis that starts the list of arguments of a function call: B) A whitespace immediately before a comma, semicolon, and colon: C) No whitespace between a trailing comma and a following closing parenthesis: D) A whitespace immediately after the opening parenthesis that starts indexing or slicing:

A. Option A

B. Option B

C. Option C

D. Option D

View answer

Correct Answer: AC

Question #13

What is true about the unbind_all () method? (Select two answers.)

A. It can be invoked from any widgetcorrect

B. It can be invoked from the main window widget only

C. It is parameterlesscorrect

D. It causes all the widgets to disappear

View answer

Correct Answer: AC

Question #14

When writing function names according to PEP 8, which style should be used?

A. CamelCase

B. snake_case

C. UPPERCASE

D. kebab-case

View answer

Correct Answer: B

Question #15

What is true about the invocation of the cget () method?

A. It can be used to read widget attributes

B. It has the same effect as the config () method

C. It can be used to set new values to widget attributes

D. It can be replaced with a dictionary-like access manner

View answer

Correct Answer: A

Question #16

You need to fetch all records from a database using sqlite3. Which method should you use after executing the query?

A. fetchone()

B. fetchall()

C. fetchmany()

D. getrows()

View answer

Correct Answer: B

Question #17

What is true about the unbind () method? (Select two answers.)

A. AIt is invoked from within the events object

B. BIt is invoked from within a widget's object

C. CIt needs a widget's object as an argument

D. DIt needs the event name as an argument

View answer

Correct Answer: BD

Question #18

Analyze the following snippet and select the statement that best describes it.

A. self

B. var1 is the name of a global variable

C. Excalibur is the value passed to an instance variable

D. weapon is the value passed to an instance variable

View answer

Correct Answer: C

Question #19

Your team is documenting an API using Python's built-in tools. Which standard should be followed for writing docstrings?

A. Use PEP 8 naming conventions

B. Follow PEP 20 for code clarity

C. Apply PEP 257 for writing docstrings

D. Use PEP 484 for compatibility checks

View answer

Correct Answer: C

Question #20

What is the best description of inheritance in Python?

A. A mechanism to store data in a class

B. A technique to create new classes by extending existing ones

C. A feature to prevent data duplication

D. A system for managing data attributes

View answer

Correct Answer: B

Question #21

Analyze the following snippet and select the statement that best describes it.

A. The code is an example of implicitly chained exceptions

B. The code is erroneous as the OwnMath class does not inherit from any Exception type class

C. The code is fine and the script execution is not interrupted by any exception

D. The code is an example of explicitly chained exceptions

View answer

Correct Answer: D

Question #22

A user reported that button clicks in your application are not triggering any action. What is the most likely cause?

A. Incorrect command callback function

B. The button text is not set

C. The button is not visible

D. The application loop is inactive

View answer

Correct Answer: A

Question #23

Select the true statement related to PEP 257.

A. String literals that occur immediately after another docstring are called attribute docstrings

B. Attribute docstrings and Additional docstrings are two types of extra docstrings that can be extracted by software tools

C. String Iiterals that occur in places other than the first statement in a module, function, or class definition can act as documentation They are recognized by the Python bytecode compiler and are accessible as runtime object attributes

D. String literals that occur immediately after a simple assignment at the top level of a module are called complementary docstrings

View answer

Correct Answer: B

Question #24

Analyze the following snippet and choose the best statement that describes it.

A. self

B. varl is the name of a global variable

C. Excalibur is the value passed to an instance variable

D. Weapon is the value passed to an instance variable

View answer

Correct Answer: C

Question #25

What is true about type in the object-oriented programming sense?

A. It is the bottommost type that any object can inherit from

B. It is a built-in method that allows enumeration of composite objects

C. It is the topmost type that any class can inherit from

D. It is an object used to instantiate a class

View answer

Correct Answer: C

Question #26

Which of the following constants will be used if you do riot define the quoting argument in the writer method provided by the csv module?

A. csv

B. csv

C. svQUOTE_ALL

D. csv

View answer

Correct Answer: A

Question #27

You are developing a class where instances need to maintain a unique ID. Which approach would ensure this without duplicating IDs?

A. Generate IDs using hash() on the object

B. Define __init__ and assign IDs randomly

C. Use a class attribute to track the last assigned ID

D. Use a dictionary with IDs as keys

View answer

Correct Answer: C

Question #28

Analyze the following function and choose the statement that best describes it.

A. It is an example of a decorator that accepts its own arguments

B. It is an example of decorator stacking

C. It is an example of a decorator that can trigger an infinite recursion

D. The function is erroneous

View answer

Correct Answer: A

Question #29

Which method is used to open a file for both reading and writing in text mode?

A. open(file, "r")

B. open(file, "w")

C. open(file, "a")

D. open(file, "r+")

View answer

Correct Answer: D

Question #30

Analyze the following snippet and select the statement that best describes it.

A. The code is syntactically correct despite the fact that the names of the function parameters do not follow the naming convention

B. The *arg parameter holds a list of unnamed parameters

C. The code is missing a placeholder for unnamed parameters

D. The code is syntactically incorrect - the function should be defined as def f1 (*args, **kwargs) :

View answer

Correct Answer: B

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Python PCPP Exam Questions and Answers, Certified Professional Python Programmer Level 1 | SPOTO

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Python PCPP Exam Questions and Answers, Certified Professional Python Programmer Level 1 | SPOTO

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