Introduction-to-Python

Introduction to Python:

Introduction to Python

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Agenda What is Python? History of Python Features of Python Components of Python Frameworks for Python Flavors of Python Why Python?

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What is Python? An , for general-purpose programming interpreted h igh-level programming language Each statement translated into subroutines Platform-independent Dynamic typing Easier debugging Automatic memory management Adding or changing functions at runtime No need to recompile again to test a small section Slower Checking for errors- dynamic

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What is Python? An , for general-purpose programming interpreted h igh-level programming language Strong abstraction Closer to the end-user May use elements of natural language May be simpler May automate areas like memory management

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History of Python 1980 2000 2008 2017 2020 1980- Conception 1989 1989- Implementation 2000- Python 2.0 Release 2008- Python 3.0 Release 2017- Python 2.7 to Go Transcompiler 2020- End-of-life: Python 2.7 Guido Van Rossum

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History of Python

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Features of Python Large Library Extensible a nd Embeddable Easy Free and Open-Source Object-oriented GUI Programming Interpreted Portable Dynamically typed

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Components of Python Functions Packages Classes Modules

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Collection of statements May return a value Functions Components of Python

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Packages Modules Classes Components of Python

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Classes Abstract data type Holds no values Components of Python

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Packages Modules Components of Python

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Collection of related classes and functions Components of Python Modules

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Packages Collection of related modules Components of Python

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Frameworks for Python

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Free and open-source Database-driven websites DRY Principle (Don’t Repeat Yourself) Instagram , Mozilla, Disqus Frameworks for Python

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Web framework Microframework No database abstraction layer/ form validation Extensions Frameworks for Python

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Microframework Web development Fast and light-weight Simple Frameworks for Python

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Frameworks for Python Open-source Web framework High-performing and scalable Written in Python

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Frameworks for Python Web-framework Not a mega-framework Not a micro-framework Optimal liberty for project

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Open-source Web-framework Rapid development MVC architecture Written in Python Frameworks for Python

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Open-source Web-framework Extensive use of third-party tools Deprecated framework Frameworks for Python

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Flavors of Python

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Flavors of Python Most-widely used implementation of Python Written in C An interpreter

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Flavors of Python Implemented in C# Extensibility layer to application frameworks written in a .NET language

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Flavors of Python Written in Java Can import Java classes Compiles to Java bytecode

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Flavors of Python MicroPython Designed to run on a microcontroller Uses a MicroPython board This runs MicroPython on bare metal

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Flavors of Python Implemented in Python Fast Easy to experiment with

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Flavors of Python Browser Python Runs in the browser

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Flavors of Python Bridge between Python and Ruby interpreters Marshals data between Python and Ruby virtual machines

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Why Python? Computer Vision Build a website Scientific Computing Machine Learning Automate a web browser Develop a game Web Scraping Data Analysis Scripting Artificial Intelligence Robotics

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