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Home Python Institute PCPP-32-101

Python Institute PCPP-32-101 Exam Practice Questions (P. 4)

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Question #16
Which of the following examples using line breaks and different indentation methods are compliant with PEP 8 recommendations? (Choose two.)
  1. A
  2. B
  3. C
  4. D

Correct Answer:
CD

Question #17
Look at the following examples of comments and docstrings in Python Select the ones that are useful and compliant with PEP 8 recommendations. (Choose two.)
  1. A
  2. B
  3. C
  4. D
    price = price + 1 # Decrement price by one to compensate for loss.

Correct Answer:
AB

Question #18
Select the true statement related to PEP 257.
  1. A
    String literals that occur immediately after another docstring are called attribute docstrings
  2. B
    Attribute docstrings and Additional docstrings are two types of extra docstrings that can be extracted by software tools
  3. C
    String literals 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.
  4. D
    String literals that occur immediately after a simple assignment at the top level of a module are called complementary docstrings

Correct Answer:
C

Question #19
Select the true statements related to PEP 8 programming recommendations for code writing. (Choose two.)
  1. 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.
  2. 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)).
  3. C
    You should write code in a way that favors the CPython implementation over PyPy, Cython, and Jython.
  4. 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.

Correct Answer:
BD

Question #20
Select the true statements related to PEP 8 naming conventions. (Choose two.)
  1. A
    Function and variable names should be lower-case with words separated by underscores.
  2. B
    You should always use self as the first argument to instance methods, and cls as the first argument to class methods.
  3. C
    Modules should have short names written in CamelCase.
  4. D
    Constants should be written in all lower-case letters with words separated by underscores.

Correct Answer:
AD

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