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python_institute PCPP_32_101

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Exam contains 45 questions

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Question 7 🔥

Analyze the code and choose the best statement that describes it.

Which database solution meets these requirements?

A. __ne__() is not a built-in special method.

Highly voted

B. The code is erroneous

Highly voted

C. The code is responsible for the support of the negation operator, e.g. a = - a

Highly voted

D. The code is responsible for the support of the inequality operator, i.e. !=

Highly voted

Discussion of the question

Question 8 🔥

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?"

Which database solution meets these requirements?

A. The == operator

Highly voted

B. The isinstance() function

Highly voted

C. The id() function

Highly voted

D. The is function

Highly voted

Discussion of the question

Question 9 🔥

Which sentence about the @property decorator is false?

Which database solution meets these requirements?

A. The @property decorator should be defined after the method that is responsible for setting an encapsulated attribute.

Highly voted

B. The @property decorator designates a method which is responsible for returning an attribute value.

Highly voted

C. The @property decorator marks the method whose name will be used as the name of the instance attribute.

Highly voted

D. The @property decorator should be defined before the methods that are responsible for setting and deleting an encapsulated attribute.

Highly voted

Discussion of the question

Question 10 🔥

Select the true statement about the __name__ attribute.

Which database solution meets these requirements?

A. __name__ is a special attribute, which is inherent for both classes and instances, and it contains information about the class to which a class instance belongs.

Highly voted

B. __name__ is a special attribute, which is inherent for both classes and instances, and it contains a dictionary of object attributes.

Highly voted

C. __name__ is a special attribute, which is inherent for classes, and it contains information about the class to which a class instance belongs.

Highly voted

D. __name__ is a special attribute, which is inherent for classes, and it contains the name of a class.

Highly voted

Discussion of the question

Question 11 🔥

What is a static method?

Which database solution meets these requirements?

A. A method that works on the class itself

Highly voted

B. A method decorated with the @method trait

Highly voted

C. A method that requires no parameters referring to the class itself

Highly voted

D. A method that works on class objects that are instantiated

Highly voted

Discussion of the question

Question 12 🔥

Select the true statement about composition.

Which database solution meets these requirements?

A. Composition extends a class’s capabilities by adding new components and modifying the existing ones

Highly voted

B. Composition allows a class to be projected as a container of different classes

Highly voted

C. Composition is a concept that promotes code reusability, while Inheritance promotes encapsulation

Highly voted

D. Composition is based on the has a relation, so it cannot be used together with inheritance

Highly voted

Discussion of the question

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python_institute PCPP_32_101

Exam contains 45 questions

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