Python additions and deletions, list

List additions and deletions change

1 #[, ' C ', ' DFAs ', True]2 #indexes and slices. 3 #Li = [I/P, ' AF ', ' re ', 4, ' ")4 #print (l[0])5 #print (l[3])6 #print (l[-1])7 #slices:8 #print (Li[0:3])9 #print (Li[2:5])Ten #print (Li[0:5:2]) One #print (li[-2::-2]) A #print (li[5:0:-2]) - #Yuanhao - #li = [' Taibai ', ' Alex ', ' Wusir '] the #1 Increase append at the end of adding an element - #Print (li.append (' Yuanhao ')) - #Li.append ([A/A, ' www ']) - #Print (LI) + #While True: - #username = input (' Please enter employee Name: ') + #if username.lower () = = ' Q ': break A #li.append (username) at #Print (LI) - #Insert Insertion - #li = [' Taibai ', ' Alex ', ' Wusir '] - #Li.insert (1, ' Day of the day ') - #Print (LI) - #addition of extend iterations in #li.extend (' Q ') - #li.extend (' ASDT ') to #Li.extend ([A/A, ' www ']) + #Print (LI) -Li = ['Taibai','Alex','Wusir','Egon','Hulu','Jingnvshen'] the #delete pops to be deleted by index, with return value *Name = Li.pop (1) $ #Print (LI)Panax Notoginseng #print (name) - #Remove Follow the element to delete the #li.remove (' Alex ') + #Print (LI) A #Clear Empty list the #li.clear () + #Print (LI) - #del $ #li = [' Taibai ', ' Alex ', ' Wusir ', ' Egon ', ' Hulu ', ' Jingnvshen '] $ #del Li[2:4] - #Print (LI) - #del Li[0:4:2] the #Print (LI) -Li = ['Taibai','Alex','Wusir','Egon','Hulu','Jingnvshen']Wuyi #change slices To delete, iterate to add the #li[0] = ' Male God ' - #Print (LI) Wu #Li[0:3] = ' All men ' - #Print (LI) Aboutli[:] ='It's all men .' $ Print(LI) - #Li[0:2] = [' ASD '] - #Print (LI) - #Li[0:2] = [' ASD ', ' FDSA ', 123] A #Print (LI) + #Check the #print (Li[1:4]) - #For I in Li: $ #print (i) the #li = [' Taibai ', ' Taibai ', ' Wusir ', ' Egon ', ' Taibai ', ' jingnvshen '] the #del Li the #Print (LI)

View CodeNesting of lists

1Li = [1,2,5,'Taibai','Yuanhao', [1,'Alex', 3,],true]2 " "3 # Print (li[3])4 # Print (li[3][3])5 # s = li[4].capitalize ()6 # Li[4] = s7 #li [4] = Li[4].capitalize ()8 # Li[4] = ' Yuanhao '9 # Print (LI)Ten # s2 = li[4].replace (' Hao ', ' Day of the day ') One # Li[4] = S2 A # Li[4] = Li[4][0:4] + ' Ritian ' - # Print (LI) - # L2 = li[5] the # Li[5][0] = ' Wen Jie ' - # Print (LI) - " " -LI[5][1] = li[5][1].upper () + Print(LI)

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Other ways to List

1 #Li = [1,2,3,1, ' A ', 1, ' 4 ']2 #Count counts3 #Print (Li.count (' FASD '))4Li = [2,3,1,5,6,8,9,7,4,10]5 #Sort Positive Order6 #Li.sort ()7 #Print (LI)8 #Li.sort (reverse=true) Flashback sort9 #Reverse ReversalTen #Li.reverse () One #Print (LI)

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Python additions and deletions, list