Luffy Learning City-python Development Training--Chapter II

12 binary, ASCII code, character encoding development

2 List

1) Create a list

2) Increase, delete, change, check

3) Slicing, looping, sorting

#!-*-coding = Utf-8-*-L1 = []Print(L1) L2= ['a','b','C','D','e','F']Print(L2) L3=list ()Print(L3)Print(Type (L3))#NestingLa = ['ABC',['a','b','C']]Print(LA)#Index, subscriptL4 = ['x','y','Z', 1,2,3,4,5,'e','R','g','h']Print(l4[2])Print(l4[-1])#slicesPrint(L4[:4])#Step SizePrint(L4[::2])#index value foundPrint(L4.index (3))#Add, append to last note each function adds a valueL4.append ('b')Print(L4)#InsertL4.insert (2,'Alibaba')Print(L4)#Modifyl4[2]='Tengxu'Print(L4)#continuous modification of several valuesl4[2:3]='Wangyi'Print(L4)#Delete 1 Delete lastL4.pop ()Print(L4)#Specifies to delete one deleteL4.remove ('g')Print(L4)#del Global DeletedelL4[2]Print(L4)delL4[3:10]Print(L4)" "#循环for i in L4:print (i) #range generate a list for I in range: print (i)" "Print('=========')#SortPrint(L4)#L4.sort ()Print(L4)#Reverse in situL4.reverse ()Print(L4.reverse ())Print('=========')#List LinksL5 = la+L4Print(L5) L6=La.extend (L4)Print(L6)#replication is completely independentPrint("Copy") L6=l4.copy () l6[2]='AAA'Print(L4)Print(L6)

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Luffy Learning City-python Development Training--Chapter II