'' ' Deletions check and change the ordering #list # increase list List = [ "Hello", "Linda", 13 is, "available for purchase", "to", "China"] #list increase a = list.append ( "Chichy") # increase string print (list) B = list.append (123) # increasing digital print (list) C = list.append ([1,2,3,4]) # Add list print (list ) D = list.append ((. 1, "Hi",. 8)) # increase tuple print (List) E = list.append ({. 1: "One", 2: "TWO"}) # increase dictionary print ( list) # inserted list list = [ "Hello", "Linda", 13 is, "available for purchase", "to", "China"] a = list.insert (56 is, "Hi") # behind the content to be inserted in write index, and then write the content to be inserted in the back Print (List) B = list.insert (. 1, {1,2,3}) print(list) list=["hello","Linda",13,"welcome"] C = list.extend ( "China") # string will disassembled into a string of characters consisting of print(list)#['hello', 'Linda', 13, 'welcome', 'C', 'h', 'i', 'n', 'a'] Print (List) [ 'Hello', 13 is] # remove list puncturing element according to delete List = [ "Hello", "Linda", 13 is, "available for purchase"] A list.remove = ( "Hello") # deleted character string hello, if they are deleted string is not in the list. Will be wrong Print (List) # del delete list can be deleted according to the index, can also be used to delete sections'is available for purchase'] List [0: 2] = "Good" # If you need to two elements, you only gave one, then dismantling will be the first element of Chengdu, a single-character string List = [ "Hello", "Linda", 13 is, "available for purchase"] del List [-1] Print (List) del List [2:] Print (List) del List [0:] Print (List) #resultThe # [ 'Hello', 'Linda', 13 is] # [ 'Hello', 'Linda'] # [ ] # clear clear clear not required argument list list = [ "hello", "Linda", 13 is, "available for purchase"] a = list.clear () Print (list) # [] # list search list = [ "hello "," Linda ", 13 is," available for purchase "] Print (list [0:]) # view the elements of a list for I in list: Print (I) modified # list list = [" hello "," Linda ", 13 is, "available for purchase"] List [0] = "the Hello" Print (List) # [ 'the Hello', 'Linda', 13 is, 'available for purchase'] Print (List) # [ 'G', 'o', 'o', 'd', 13, 'welcome'] list=["hello","Linda",13,"welcome"] list[0:2]="GOOD","smart" Print (List) # [ 'GOOD', 'Smart', 13 is, 'available for purchase'] ##### only index list, the string for the find and index, find the index of the element back to looking for, there is no ### find returns -1, while the index can not find on the error. # Sorted list #sort table inside the small number of cases sorted in increasing order A = [1,4,2,6,3,5] # A1 = a.sort (Reverse = False) and # a.sort () equivalent A1 = a.sort () # [. 1, 2,. 3,. 4,. 5,. 6] Print (a) #sort (Reverse = True) the list of numbers inside the descending order a2 = a. Sort (Reverse = True) Print (a) # [. 6,. 5,. 4,. 3, 2,. 1] #reverse () to restore a list of numbers inside ordered into a sequence beginning A3 = a.reverse () Print (a ) # [1, 2, 3, 4, 5, 6]