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PR014: Introduction to Python 3

 

Duration: 3 days

Summary
This course introduces the student to the Python language. Upon completion of this class, the student will be able to write non trivial Python programs dealing with a wide variety of subject matter domains. Topics include language components, the IDLE environment, control flow constructs, strings, I/O, collections, classes, modules, and regular expressions. The course is supplemented with many hands on labs using either Linux or Windows.

Audience

  • Anyone who needs to learn how to write programs in Python.

Prerequisites

  • Students should have some experience with at least one programming language, ie. C, C++, Java, Perl, Ruby, VB or anything equivalent.

Course Outline

1. An Introduction to Python

  • A Brief History of Python
  • Python Versions
  • Installing Python
  • Environment Variables
  • Executing Python from the Command Line
  • IDLE
  • Editing Python Files
  • Python Documentation
  • Getting Help
  • Dynamic Types
  • Python Reserved Words
  • Naming Conventions

2. Basic Python Syntax

  • Basic Syntax
  • Comments
  • String Values
  • String Methods
  • The format Method
  • String Operators
  • Numeric Data Types
  • Conversion Functions
  • Simple Input and Output
  • The % Method
  • The print Function

3. Language Components

  • Indenting Requirements
  • The if Statement
  • Relational Operators
  • Logical Operators
  • Bit Wise Operators
  • The while Loop
  • break and continue
  • The for Loop

4. Collections

  • Lists
  • Tuples
  • Sets
  • Dictionaries
  • Sorting Dictionaries
  • Copying Collections

5. Functions

  • Defining Your Own Functions
  • Parameters
  • Function Documentation
  • Keyword and Optional Parameters
  • Passing Collections to a Function
  • Variable Number of Arguments
  • Scope
  • Functions – “First Class Citizens”
  • Passing Functions to a Function
  • Mapping Functions in a Dictionary
  • Lambda
  • Inner Functions
  • Closures

6. Modules

  • Modules
  • Standard Modules – sys
  • Standard Modules – math
  • Standard Modules – time
  • The dir Function

7. Exceptions

  • Errors
  • Run Time Errors
  • The Exception Model
  • Exception Hierarchy
  • Handling Multiple Exceptions
  • raise
  • assert
  • Writing Your Own Exception Classes

8. Input and Output

  • Data Streams
  • Creating Your Own Data Streams
  • Access Modes
  • Writing Data to a File
  • Reading Data From a File
  • Additional File Methods
  • Using Pipes as Data Streams
  • Handling IO Exceptions
  • Working with Directories
  • Metadata
  • The pickle Module

9. Classes in Python

  • Classes in Python
  • Principles of Object Orientation
  • Creating Classes
  • Instance Methods
  • File Organization
  • Special Methods
  • Class Variables
  • Inheritance
  • Polymorphism
  • Type Identification
  • Custom Exception Classes

10. Regular Expressions

  • Simple Character Matches
  • Special Characters
  • Character Classes
  • Quantifiers
  • The Dot Character
  • Greedy Matches
  • Grouping
  • Matching at Beginning or End
  • Match Objects
  • Substituting
  • Splitting a String
  • Compiling Regular Expressions
  • Flags