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python_institute PCPP_32_101

Exam contains 45 questions

Page 4 of 8

Question 19 🔥

Select the true statements related to PEP 8 programming recommendations for code writing. (Choose two.)

Which database solution meets these requirements?

A. You should use the not ... is operator (e.g. if not spam is None:), rather than the is not operator (e.g. if spam is not None:), to increase readability.

Highly voted

B. You should make object type comparisons using the isinstance() method (e.g. if isinstance(obj , int):) instead of comparing types directly (e.g. if type(obj) is type(1)).

Highly voted

C. You should write code in a way that favors the CPython implementation over PyPy, Cython, and Jython.

Highly voted

D. You should not write string literals that rely on significant trailing whitespaces, as they may be visually indistinguishable, and certain editors may trim them.

Highly voted

Discussion of the question

Question 20 🔥

Select the true statements related to PEP 8 naming conventions. (Choose two.)

Which database solution meets these requirements?

A. Function and variable names should be lower-case with words separated by underscores.

Highly voted

B. You should always use self as the first argument to instance methods, and cls as the first argument to class methods.

Highly voted

C. Modules should have short names written in CamelCase.

Highly voted

D. Constants should be written in all lower-case letters with words separated by underscores.

Highly voted

Discussion of the question

Question 21 🔥

Select the true statement about PEP 8 recommendations related to line breaks and binary operators.

Which database solution meets these requirements?

A. It is recommended that you use line breaks before binary operators to improve code readability

Highly voted

B. It is permissible to use line breaks before or after a binary operator, as long as the convention is consistent locally. However, for new code, it is recommended that break lines should be used only after binary operators.

Highly voted

C. It is recommended that you use line breaks after binary operators to improve code readability

Highly voted

D. There is no specific PEP 8 recommendation related to using line breaks with binary operators

Highly voted

Discussion of the question

Question 22 🔥

Look at the following code snippets and decide which ones follow PEP 8 recommendations for whitespaces in expressions and statements. (Choose two.)

Which database solution meets these requirements?

A. No whitespace immediately before the opening parenthesis that starts the list of arguments of a function call:

Highly voted

B. A whitespace immediately before a comma, semicolon, and colon:

Highly voted

C. No whitespace between a trailing comma and a following closing parenthesis:

Highly voted

D. A whitespace immediately after the opening parenthesis that starts indexing or slicing:

Highly voted

Discussion of the question

Question 23 🔥

Which of the following values can be returned by the messagebox.askquestion() method?

Which database solution meets these requirements?

A. "accept" and "cancel"

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B. l and 0

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C. "yes" and "no"

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D. True and False

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Discussion of the question

Question 24 🔥

What will happen if the main window is too small to fit all its widgets?

Which database solution meets these requirements?

A. Some widgets may be invisible

Highly voted

B. The window will be expanded

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C. An exception will be raised

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D. The widgets will be scaled down to fit the window’s size

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Discussion of the question

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python_institute PCPP_32_101

Exam contains 45 questions

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