learning python 5th edition pdf

the same problem, the solution is to modify the library source code, the spirit of "Fixed library source code" concept, resolutely chose the above this relatively stupid method, the code is relatively good understanding.After the above steps, we want the PDF file has been generated, together to enjoy the fruits of labor:06. Saving ResultsWelcome everyone to follow my blog: https://home.cnblogs.com/u/sm123456/Interactive Communication in the blog park

: Network Disk DownloadContent Profile ...This book is intended for all readers interested in the practice and competition of machine learning and data mining, starting from scratch, based on the Python programming language, and gradually leading the reader to familiarize themselves with the most popular machine learning, data mining and natural language processi

: Network Disk DownloadContent Profile ...This book is intended for all readers interested in the practice and competition of machine learning and data mining, starting from scratch, based on the Python programming language, and gradually leading the reader to familiarize themselves with the most popular machine learning, data mining and natural language processi

Chapter One: Basic knowledge1. Double slash: The operator that implements the divide>>>1//20Even if it is a floating-point number, the slash will perform the divide>>>1.0//2.00.02. Power (exponentiation) operator: Double star>>>2**38Tip: You can use the function POW instead of the operator, pow (2,3)3.16 Binary and octalHex: Front plus 0x, first is number 0>>>0xaf175Octal: Add 0o to Python in version 3.0, the first number is 0, the second is the lette

#创建phone={'Alice':'12234','beth ' :'352235'}#dict使用items=[('name','gumby'), ('age' ,}d=dict (items) d=dict (name='gumby', age=42)#基本字典操作lend (d) d[k]d[k]= in dx={}x[42]='foobae' x{:'foobar'}people={'Alice':{'Phone':'123','Addr':'Foo drive34'},'Beth':{'Phone':'23234','Addr':'3123'}}labels={'Phone':'Phone number','Addr':'Address'}name=input ('Name:') Request=input ("phone Number (p) or address (a)?:")ifrequest=='P': key='Phone'ifrequest=='a': key='Addr'ifNameinchPeople:Print("%s '%s ' is%s."% (Nam

#列表可修改, the Yuan Zu cannota=['sdsd',]b=['SDS',]c=[a,b]#分片 :-#list函数#分片赋值#列表方法Lst.append (4) X.count (1) x.count ([up]) A.extend (b) a.index ("w" ) A.insert (3, "all")X.removeX.reverseX.sort#pop removes the list element and returns a value. Implementation data structure-stack, LIFO (LIFO), X.append (X.pop ()), FIFO, X.insert (X.pop (0)#sortX.sort (Key=len)y=sorted (x)#y元祖No list-like methods(a)#tuple函数# become a meta-ancestorPython Basic Learning Note

#模块#包#模块中有什么Dir L List features#文档Print range.__doc__#阅读源代码Print copy.__file__#标准库Sysosfileinput#集合, heap and double-ended queuesSet (range) Thecollection heap data structure is not independent of only one module containing some heap operations, called HEAPQ (6 functions) Double-ended queue#time#random#shelve#re# contains support for regular expressionsPython Basic Learning Note--python Basic Tutorial (2nd

#丰富的平台Tkinterwxpython .....#wxpythonImport Wxapp=wx. APP () win=wx/Frame (None) win. Show () app. Mainloop ()# Add button aapp=wx. APP () win=wx. Frame (None) btn=wx. Button (Win) win. Show () app. Mainloop () win=wx. Frame (none,title="simpleEditor") Loadbutton=wx. Button (win,label='Open') win. Show () app. Mainloop ()#事件# Button Events # Button # processing Functions def Load (Event) file=open (filename. GetValue ()) content. SetValue (Fiel.read ()) file.close ()ProcessingPytho

Basic Python Tutorial (second Edition) Learning Notes Classes and Objects (chapter 7th)Defining classesClass Person:def setName (self,name):Self.name=namedef getName (self):Return Self.nameFoo=person ()Foo.setname (' AAA ')Foo.getname ()Foo.nameFoo.name= ' BBB 'Private property, preceded by a two underscore in the name.Class Person:def __setname (self,name):Self.

functions. For example: POW is used to calculate standard functions such as Solutionkeys GT;GT;GT;2**38GT;GT;GT;POW (2.3) 8pow, called built-in functions, or you can customize functions. The 1.9 module can be thought of as an extension that imports into Python to enhance its functionality and is imported using the Import command. For example: Import the Math module with import and use >>>importmath>>>math.floor (32.9) in the format "module. function"

Basic Python Tutorial (second edition) Learning Note Strings (Chapter 3rd)All basic sequence Operations (index, Shard, multiply, Judge membership, seek length, maximum minimum) also apply to strings.The string is not to be changed;The left side is the format string, and the right side is the value that needs to be formattedprint '%s=%d '% (' x ', ') ==> x=100% in

"Basic Python Tutorial (second edition)" Learning Note Dictionary (4th chapter)To create a dictionary:d={' key1 ': ' value1 ', ' key2 ': ' value2 '}lst=[(' Key1 ', ' value1 '), (' Key2 ', ' value2 ')]; D=dict (LST)D=dict (key1= ' value1 ', key2= ' value2 ')Dictionary basic operations:d={' key1 ': ' value1 ', ' key2 ': ' value2 '}; Len (d) ==> 2 #字典中的键值对数量d={' key

"Basic Python Tutorial (second edition)" Learning notesBasic part (1th chapter)IdeWindows:idle (GUI), Eclipse+pydev; Python (command line);Linux/unix:python>>> 1/2=0 note divisible by 0.>>> from __future__ Import Division performing normal divisionPython-qnew Perform a normal divisionDivide, 1//2=0;% take the remainder

Basic Python Tutorial (second edition) Learning note files and materials (11th)Open File:Open (Filename[,mode[,buffering]])Mode is the pattern of reading and writing filesF=open (R ' c:\somefile.txt ') #默认是读模式+ means can read and write, R read mode, W write mode, a append mode, b binary mode;The newline character is \ r \ n in Windows, and in Unix,

() if user== Username and Passwd==password:print ("\033[32;1muser has passed authentication\033[0m") Res=func (*args,**kwargs) # print ("---after authentication---") #保留要装饰函数home的输出结果 r Eturn Res else:exit ("\033[31;1minvalid username or password\033[0m") elif au th_type== "LDAP": Print ("Engage the yarn LDAP, will not ....") ") return wrapper return Outer_authdef index (): Print (" Welcome to Index page ") @auth (auth_type=" local ") def Hom E (): Print ("Welcome to Home Pag

Basic Python Tutorial (second edition) Learning Note function (Chapter 6th)To create a function:def function_name (params):BlockReturn valuesRecord function:def function_name (params):' NOTE ' #注释BlockReturn valuesfunction_name.__doc__Help (Function_name)Return # no value returnedPosition parameters and keyword parameters:Keyword parameter to provide the name of

a success to see when the value2 is assigned. In the same way, we can use __setattr__ to prevent subsequent assignments of properties that are already in the class: classGet_try ():def__init__(Self, value):Self. value=valuedef__getattr__(Self, item): Self. Value=itemdef__getattribute__(Self, item):PrintItemdef__setattr__(Self, key, value):offKeyinchSelf.__dict__: Print ' already exist 'else :self. __dict__[Key]=valueif __name__ = = "__main__":G=get_try (' value ')G.value=4g.value1=3Print

Code:# Jigsaw Puzzle fromsysimportexitfromrandomimportshuffle# game Victory def Victory (): print ("' ******666**victory* *!!!!! ****** ") # definition maindefmain (): boxs= [' ', ' 1 ', ' 2 ', ' 3 ', ' 4 ', ' 5 ', ' 6 ', ' 7 ', ' 8 ']shuffle (boxs) whiletrue:boxs_num=boxs print ("' ******%s%s%s**%s %s%s**%s%s%s****** ' %tuple (boxs_num)) ins =input (' Please enter the number to be moved, (0 exit game) \> ') Ifins== ' 0 ': exit () kong_index=boxs_num.index (' ') num_index=boxs_num.index (