Add code examples and updated gitignore

Author: joemarini

.gitignore

@@ -1,4 +1,310 @@
-.DS_Store
-node_modules
-.tmp
-npm-debug.log
+# Apple
+*.DS_Store
+
+# Built application files
+*.apk
+*.ap_
+
+# Files for the Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# Google Doc files
+*.gsheet
+*.gslides
+*.gdoc
+
+# MS Office files
+*.xls_
+*.doc_
+*.ppt_
+
+# PDF files
+*.pdf
+
+# ZIP files
+*.zip
+
+# VISUAL STUDIO FILES
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+__pycache__/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# DNX
+project.lock.json
+artifacts/
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignoreable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+node_modules/
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# VS Code folder
+.vscode/
+
+# Databricks file
+*.pyi

Finished/Ch 1/challenge.py

@@ -0,0 +1,13 @@
+# Python Object Oriented Programming by Joe Marini course example
+# Programming challenge: define a class to represent a stock symbol
+
+
+class StockSymbol:
+    def __init__(self, ticker, price, company) -> None:
+        self.ticker = ticker
+        self.price = price
+        self.company = company
+
+    def get_description(self):
+        pass
+    

Finished/Ch 1/class_finished.py

@@ -0,0 +1,49 @@
+# Python Object Oriented Programming by Joe Marini course example
+# Using class-level and static methods
+
+
+class Book:
+    # TODO: Properties defined at the class level are shared by all instances
+    BOOK_TYPES = ("HARDCOVER", "PAPERBACK", "EBOOK")
+    # TODO: double-underscore properties are hidden from other classes
+    __booklist = None
+
+    # static methods do not receive class or instance arguments
+    # and usually operate on data that is not instance-specific
+    @staticmethod
+    def get_booklist():
+        if Book.__booklist == None:
+            Book.__booklist = []
+        return Book.__booklist
+
+    # class methods receive a class as their argument and can only
+    # operate on class-level data
+    @classmethod
+    def get_book_types(cls):
+        return cls.BOOK_TYPES
+
+    # instance methods receive a specific object instance as an argument
+    # and operate on data specific to that object instance
+    def set_title(self, newtitle):
+        self.title = newtitle
+
+    def __init__(self, title, booktype):
+        self.title = title
+        if (not booktype in self.BOOK_TYPES):
+            raise ValueError(f"{booktype} is not a valid book type")
+        else:
+            self.booktype = booktype
+
+
+# TODO: access the class attribute
+print("Book types: ", Book.get_book_types())
+
+# TODO: Create some book instances
+b1 = Book("Title 1", "HARDCOVER")
+b2 = Book("Title 2", "PAPERBACK")
+
+# TODO: Use the static method to access a singleton object
+thebooks = Book.get_booklist()
+thebooks.append(b1)
+thebooks.append(b2)
+print(thebooks)

Finished/Ch 1/definition_finished.py

@@ -0,0 +1,18 @@
+# Python Object Oriented Programming by Joe Marini course example
+# Basic class definitions
+
+
+class Book:
+    # the "init" function is called when the instance is
+    # created and ready to be initialized
+    def __init__(self, title):
+        self.title = title
+
+
+# TODO: create instances of the class
+book1 = Book("Brave New World")
+book2 = Book("War and Peace")
+
+# TODO: print the class and property
+print(book1)
+print(book1.title)