My e-Notes about DataScience, Machine Learning, Python, Data Analytics, DataStage, DWH and ETL Concepts

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Python Training


An Overview of Python

    • What is Python?
    • Interpreted languages
    • Advantages and disadvantages
    • Downloading and installing
    • Which version of Python
    • Where to find documentation

Running Python Scripts

    • Structure of a Python script
    • Using the interpreter interactively
    • Running standalone scripts under Unix and Windows

Getting Started

    • Using variables
    • String types: normal, raw and Unicode
    • String operators and expressions
    • Math operators and expressions
    • Writing to the screen
    • Command line parameters
    • Reading from the keyboard

Flow Control

    • About flow control
    • Indenting is significant
    • The if and elif statements
    • while loops
    • Using lists
    • Using the for statement
    • The range() function

Sequence Data

    • list operations
    • list methods
    • Strings are special kinds of lists
    • tuples
    • sets
    • Dictionaries

Defining Functions

    • Syntax of function definition
    • Formal parameters
    • Global versus local variables
    • Passing parameters and returning values

Working with Files

    • Text file I/O overview
    • Opening a text file
    • Reading text files
    • Raw (binary) data
    • Using the pickle module
    • Writing to a text file

Dictionaries and Sets

    • Dictionary overview
    • Creating dictionaries
    • Dictionary functions
    • Fetching keys or values
    • Testing for existence of elements
    • Deleting elements

Errors and Exception Handling

    • Dealing with syntax errors
    • Exceptions
    • Handling exceptions with try/except
    • Cleaning up with finally

Using Modules

    • What is a module?
    • The import statement
    • Function aliases
    • Packages

Regular Expressions

    • RE Objects
    • Pattern matching
    • Parsing data
    • Subexpressions
    • Complex substitutions
    • RE tips and tricks

An Introduction to Python Classes

    • About o-o programming
    • Defining classes
    • Constructors
    • Instance methods
    • Instance data
    • Class methods and data
    • Destructors

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