Shallow copy and deep copy of Python Foundation

For the shallow copy and deep copy of lists, dictionaries, tuples, numbers and strings are not shallow copy and deep copy one says. Below I directly use the code to reflect:

1 ImportCopy2 3names = ['Cahill','Teenglan','Eric','Peggie','Aalto','Baal','Sadie',4          'Gage','Hagan','Jack','Kaley','Mabel','Lacy','Nadine','Pace','Amy']5 6 #Shallow Copy7Names2 =names.copy ()8NAMES2[1] ="modified the"9 Print(names)Ten #[' Cahill ', ' Teenglan ', ' Eric ', ' peggie ', ' Aalto ', ' Baal ', ' Sadie ', One #' Gage ', ' Hagan ', ' Jack ', ' Kaley ', ' Mabel ', ' Lacy ', ' Nadine ', ' Pace ', ' Amy '] A Print(Names2) - #[' Cahill ', ' modified ', ' Eric ', ' peggie ', ' Aalto ', ' Baal ', ' Sadie ', - #' Gage ', ' Hagan ', ' Jack ', ' Kaley ', ' Mabel ', ' Lacy ', ' Nadine ', ' Pace ', ' Amy '] the Print("") -  -  - Print("----------------Modify the first layer-----------------------------") +Names3 = ['Cahill','Peggie',['Ursula','Val',['Zena','Babb','Eric'],'Teenglan',],'Amy'] -Names4 =names3.copy () +NAMES3[1] ="Modify the first layer" A Print(NAMES3) at #[' Cahill ', ' Modify first layer ', [' Ursula ', ' Val ', [' Zena ', ' Babb ', ' Eric '], ' Teenglan ', ' Amy '] - Print(NAMES4) - #[' Cahill ', ' peggie ', [' Ursula ', ' Val ', [' Zena ', ' Babb ', ' Eric ', ' Teenglan '], ' Amy '] -  -  - Print("") in Print("-----------------Modify the second layer-------------------------------") -NAMES3[2][1] ="Modifying the second tier" to Print(NAMES3) + #[' Cahill ', ' Modify the first layer ', [' Ursula ', ' Modify the second layer ', [' Zena ', ' Babb ', ' Eric '], ' Teenglan ', ' Amy '] - Print(NAMES4) the #[' Cahill ', ' peggie ', [' Ursula ', ' Modify the second layer ', [' Zena ', ' Babb ', ' Eric '], ' Teenglan ', ' Amy '] *  $ Panax Notoginseng Print("") - Print("----------------------Modify the third layer-----------------------------------") theNames3[2][2][0] ="Modify the third tier" + Print(NAMES3) A Print(NAMES4) the #shallow copy copies only the first layer, starting from the second layer to copy only its shortcuts (that is, change the original file, copy the following changes).  +  -  $ Print("") $ Print("------------------------------deep Copy------------------------------") -Namett = ['Cahill','Peggie',['Ursula','Val',['Zena','Babb','Eric'],'Teenglan',],'Amy'] -NAMETT2 =copy.deepcopy (Namett) the  - Print("")Wuyi Print("--------------------------------copy layer 1th------------------------------------") theNamett[0] ="Copy Layer 1th" - Print(Namett) Wu Print(NAMETT2) -  About Print("") $ Print("--------------------------------Copy layer 2nd------------------------------------") -Namett[2][0] ="Copy Layer 2nd" - Print(Namett) - Print(NAMETT2) A  +  the Print("") - Print("--------------------------------Copy layer 3rd------------------------------------") $Namett[2][2][0] ="Copy Layer 3rd" the Print(Namett) the Print(NAMETT2) the #deep Replication: Full multi-layer replication

Shallow copy and deep copy of Python Foundation