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EXAM CODE: PCAP-31-03

EXAM NAME: Certified Associate in Python Programming



SCORES:

Section 1 → 6 items, Max Raw Score: 12 (12%)

Section 2 → 5 items, Max Raw Score: 14 (14%)

Section 3 → 8 items, Max Raw Score: 18 (18%)

Section 4 → 12 items, Max Raw Score: 34 (34%)

Section 5 → 9 items, Max Raw Score: 22 (22%)



The test candidate who has passed the PCAP-31-03 exam demonstrates the following proficiency in Python programming:

- an ability to design, develop and improve multi-module computer applications coded in Python

- an ability to analyze and model real-life problems in OOP categories

- experience allowing her/him to take a job as a junior developer

- sufficient skills to create and develop her/his own programming portfolio

- the potential to use Python in everyday life applications including DIY activities



Section 1: Modules and Packages

Section 2: Exceptions

Section 3: Strings

Section 4: Object-Oriented Programming

Section 5: Miscellaneous





Modules and Packages (12%)

PCAP-31-03 1.1 – Import and use modules and packages



import variants: import, from import, import as, import *

advanced qualifying for nested modules

the dir() function

the sys.path variable

PCAP-31-03 1.2 – Perform evaluations using the math module



functions: ceil(), floor(), trunc(), factorial(), hypot(), sqrt()

PCAP-31-03 1.3 – Generate random values using the random module



functions: random(), seed(), choice(), sample()

PCAP-31-03 1.4 – Discover host platform properties using the platform module



functions: platform(), machine(), processor(), system(), version(), python_implementation(), python_version_tuple()

PCAP-31-03 1.5 – Create and use user-defined modules and packages



idea and rationale;

the __pycache__ directory

the __name__ variable

public and private variables

the __init__.py file

searching for/through modules/packages

nested packages vs. directory trees



Exceptions (14%)

PCAP-31-03 2.1 – Handle errors using Python-defined exceptions



except, except:-except, except:-else:, except (e1, e2)

the hierarchy of exceptions

raise, raise ex

assert

event classes

except E as e

the arg property

PCAP-31-02 2.2 – Extend the Python exceptions hierarchy with self-defined exceptions



self-defined exceptions

defining and using self-defined exceptions



Strings (18%)

PCAP-31-03 3.1 – Understand machine representation of characters



encoding standards: ASCII, UNICODE, UTF-8, code points, escape sequences

PCAP-31-03 3.2 – Operate on strings



functions: ord(), chr()

indexing, slicing, immutability

iterating through strings, concatenating, multiplying, comparing (against strings and numbers)

operators: in, not in

PCAP-31-03 3.3 – Employ built-in string methods



methods: .isxxx(), .join(), .split(), .sort(), sorted(), .index(), .find(), .rfind()



Object-Oriented Programming (34%)

PCAP-31-03 4.1 – Understand the Object-Oriented approach



ideas and notions: class, object, property, method, encapsulation, inheritance, superclass, subclass, identifying class components

PCEP-31-03 4.2 – Employ class and object properties



instance vs. class variables: declarations and initializations

the __dict__ property (objects vs. classes)

private components (instances vs. classes)

name mangling

PCAP-31-03 4.3 – Equip a class with methods



declaring and using methods

the self parameter

PCAP-31-03 4.4 – Discover the class structure



introspection and the hasattr() function (objects vs classes)

properties: __name__, __module__ , __bases__

PCAP-31-03 4.5 – Build a class hierarchy using inheritance



single and multiple inheritance

the isinstance() function

overriding

operators:

not is

, is

polymorphism

overriding the __str__() method

diamonds

PCAP-31-03 4.6 – Construct and initialize objects



declaring and invoking constructors



Miscellaneous (22%)

PCAP-31-03 5.1 – Build complex lists using list comprehension



list comprehensions: the if operator, nested comprehensions

PCAP-31-03 5.2 – Embed lambda functions into the code



lambdas: defining and using lambdas

self-defined functions taking lambdas as arguments

functions: map(), filter()

PCAP-31-03 5.3 – Define and use closures



closures: meaning and rationale

defining and using closures

PCAP-31-03 5.4 – Understand basic Input/Output terminology



I/O modes

predefined streams

handles vs. streams

text vs. binary modes

PCAP-31-03 5.5 – Perform Input/Output operations



the open() function

the errno variable and its values

functions: close(), .read(), .write(), .readline(), readlines()

using bytearray as input/output buffer