A byte of Python

Success in life is a matter not so much of talent and opportunity as of concentration and perseverance.

​ —- C.W. Wendte

Chapter 2. Introduction

Features of Python

SimpleEasy to LearnFree and Open SourceHigh-level LanguagePortableInterpretedObject OrientedExtensibleEmbeddable???Extensive Libraries

Chapter 4. First Steps

VimPyCharmEmacs

Chapter 5. Basics

print("Hello, World!") #Note that print is a statement Constant: Numbers: (integers and float)Strings: (immutable)Single quotedouble quotetriple quote: for multi-line string.format method format()'{0:.3f}'.format(1.0/3)'{0:_^11}'.format('Hello')escape sequences:\\ \n \tRaw string: no special processingVariable:Data Types: numbersstringsclassesObject #程序可以换行 s = 'this is a string.\ This continues the string.' print(s) #same as print(\ s)