PCAP Exam ========= .. contents:: :local: Syllabus -------- (Taken from `here `__) Exam block #1: Modules and Packages (12%) ......................................... Objectives covered by the block (6 items) * import variants; advanced qualifiying for nested modules Comment: ``os.path`` * dir(); sys.path variable * math: ceil(), floor(), trunc(), factorial(), hypot(), sqrt(); random: random(), seed(), choice(), sample() * platform: platform(), machine(), processor(), system(), version(), python_implementation(), python_version_tuple() * idea, __pycache__, __name__, public variables, __init__.py * searching for modules/packages; nested packages vs directory tree Exam block #2: Exceptions (14%) ............................... Objectives covered by the block (5 items) * except, except:-except; except:-else:, except (e1,e2) * the hierarchy of exceptions * raise, raise ex, assert * event classes, except E as e, arg property * self-defined exceptions, defining and using Exam block #3: Strings (18%) ............................ Objectives covered by the block (8 items) * ASCII, UNICODE, UTF-8, codepoints, escape sequences * ord(), chr(), literals * indexing, slicing, immutability * iterating through, * concatenating, multiplying, comparing (against strings and numbers) * in, not in * .isxxx(), .join(), .split() * .sort(), sorted(), .index(), .find(), .rfind() Exam block #4: Object-Oriented Programming (34%) ................................................ Objectives covered by the block (12 items) * ideas: class, object, property, method, encapsulation, inheritance, grammar vs class, superclass, subclass * instance vs class variables: declaring, initializing * __dict__ property (objects vs classes) * private components (instance vs classes), name mangling * methods: declaring, using, self parameter * instrospection: hasattr() (objects vs classes), __name__, __module__, __bases__ properties * inheritance: single, multiple, isinstance(), overriding, not is and is operators * constructors: declaring and invoking * polymorphism * __name__, __module__, __bases__ properties, __str__() method * multiple inheritance, diamonds Exam block #5: Miscellaneous (List Comprehensions, Lambdas, Closures, and I/O Operations) (22%) ............................................................................................... Objectives covered by the block (9 items) * list comprehension: if operator, using list comprehensions * lambdas: defining and using lambdas, self-defined functions taking lambda as as arguments; map(), filter(); * closures: meaning, defining, and using closures * I/O Operations: I/O modes, predefined streams, handles; text/binary modes * open(), errno and its values; close() * .read(), .write(), .readline(); readlines() (along with bytearray()) Sample Questions ---------------- * `Python Certification Exam PCAP-31-03 - Practice Tests - 2022 `__ * https://www.examtopics.com/exams/python-institute/pcap/