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Lesson Details:
June 29, 2020


I: Introduction

A: Python is a high-level programming language. It was developed by Guido van Rossum in the late 1980s, and first released in 1991. Its design philosophy emphasizes code readability, and its syntax allows programmers to express concepts in fewer lines of code than would be possible in languages such as C++ or Java.

B: Python supports multiple programming paradigms, including object-oriented, imperative and functional programming or procedural styles. It features a dynamic type system and automatic memory management and has a large and comprehensive standard library.

C: Due to its clean, simple syntax, Python is a popular language for introducing novices to computer programming. It has also been used extensively in the development of web services and software used to make Internet sites and software more easily accessible to disabled users.

II: Body

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B: Python is an interpreted language, meaning that rather than compiling source code to machine code (the way C, C++ and Fortran work), it executes the source code directly. This allows Python programs to be more easily tested, debugged and modified than if they were compiled. It is also useful for prototyping software before compilation into another language.

C: The standard implementation of Python, CPython, is available for free for all major platforms and has been ported to many others. CPython implements the vast majority of the Python language and its standard library, but does not implement some idiosyncratic parts of the language such as modules and generators. Other implementations exist with varying levels of completeness and compatibility with CPython. These include Jython, a version written in Java for the Java virtual machine (JVM); IronPython, a version that runs on Microsoft's Common Language Runtime (CLR); and Stackless Python, a version that uses stackless threads, enabling programs to scale better for systems with many processors.

D: CPython implements numerous interfaces to other external libraries or systems such as OpenGL, Tk, SQL databases, XML parsers and the Windows registry. CPython is currently maintained by a core team of programmers led by Greg Stein.

E: Python can be used as an extensible interpreter for scripting languages such as PHP, Perl, Ruby, and Tcl. A popular feature of Python is interactive mode for exploratory programming, shell scripting and rapid application development. In this mode, called IDLE (short for Integrated Deve

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