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This article introduces the relevant knowledge of "how to understand the copy list of python slices". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

1. Do not specify the index [:] for the start and end, so that the resulting slice can contain the entire list, and then give the slice a new variable to copy the list.

2. Create a copy of the original list, and the operation of the two lists will not be affected.

Instance names = ["Jerry", "Tom"] names_copy = names [:] names.append ("Ann") names_copy.append ("Bob") print (f "names: {names}") print (f "names_copy: {names_copy}") # output:# names: ['Jerry',' Tom', 'Ann'] # names_copy: [' Jerry', 'Tom',' Bob']

Sample list slicing code for Python study notes

"" pepole = ["koulong", "liding", "ceshi", "xiaohong"] print (pepole [0:1]) print (pepole [: 2]) print (pepole [- 1:]) # access slices of all elements for people in pepole [0:1]: print (people.title ()) # copy slices my_foods = ["Banana", "Apple" "Pear"] my_friend_foods = my_foods [0:2] print ("my favorite fruit: + str (my_foods)) print (" my favorite fruit is: ") for my_foods1 in my_foods: print (my_foods1) print (" my friend's favorite fruit: "+ str (my_friend_foods)) print (" my friend's favorite fruit is ") for my_friend_foods1 in My_friend_foods: print (my_friend_foods1) my_friend_foods.append ("grape") print ("my friend's favorite fruit: + str (my_friend_foods)) my_friend_foods2 = my_friend_foods.remove (" grape ") my_friend_foods.append (" watermelon ") print (my_friend_foods) # practice my_foods.append (" mango ") print (" my favorite top 2 Fruit: + str (my_ Foods [0: 2]) print (my_foods) print ("the middle two of my four favorite fruits: + str (my_ Foods [1: 3])) print (" my last three favorite fruits: "+ str (my_ Foods [1: 4]))" how to understand the copy list of python slices "ends here. Thank you for your reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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