PCPP-32-101 無料問題集「Python Institute PCPP1 - Certified Professional in Python Programming 1」

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

（B）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 notNone:), to increase readability.

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

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

（A）A Python library that contains an API used for parsing and manipulating JSON files.

（B）A Python built-in module that contains functions used for creating HTML files.

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

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

（A）Composition is based on the has a relation: so it cannot be used together with inheritance.

（B）Composition is a concept that promotes code reusability while inheritance promotes encapsulation.

（C）Composition allows a class to be projected as a container of different classes

（D）Composition extends a class's capabilities by adding new components and modifying the existing ones.

（A）The code is erroneous

（B）The code is responsible for the support of the inequality operator i.e. i =

（C）___ne___() is not a built-in special method

（D）The code is responsible for the support of the negation operator e.g. a = - a.

（A）It is raised when an address-related error caused by the getaddrinfo () and getnameinfo () functions occurs.

（B）It is raised when an address-related error caused by the repr () function occurs.

（C）It is raised when a timeout occurs on a socket.

（D）It is raised when a system function returns a system-related error.