Sometimes the users want to add more items to their list. The python append function is used to add items to the end of the list slot gacor hari ini. The user takes the item to be added as input from the user and adds it to the end.
For example:
my_currencies = ['Dollar', 'Euro', 'Pound', 'Dinar', 'Riyal', 'Rupees']# append the new item to the end of the currencies listmy_currencies.append('Yen')print(my_currencies)Output:['Dollar', 'Euro', 'Pound', 'Dinar', 'Riyal', 'Rupees', 'Yen']
Syntax:
list.append(item)
append() Parameters
The append() takes a single parameter as input from the user.
- item- this is the item that the user wants to be added at the end of the list.
Return Value from append()
The python append does not return any value to the user. It adds the item to the list and updates it.
Let us look at some more examples:
Example 1: Adding Element to a List
In the example given below, we are adding a new item to be appended to the end of the list.
Source Code:
my_animals = ['cat', 'dog', 'rabbit', 'frog', 'birds']# Add 'horse' to the listmy_animals.append('horse')print('Updated list of animals: ', my_animals)OutputUpdated list of animals: ['cat', 'dog', 'rabbit', 'frog', 'birds', 'horse']
Example 2: Adding List to a List
In python, users can also append a list to another list. Look at the program given below:
Source Code:
animals = ['cat', 'dog', 'rabbit', 'frog', 'birds' ]# list of wild animalswild_ani = ['tiger', 'fox', 'lion']# appending the wild_ani listanimals.append(wild_ani)print('Updated list of animals: ', animals)OutputUpdated list of animals: ['cat', 'dog', 'rabbit', 'frog', 'birds', ['tiger', 'fox', 'lion']]
How do you append to a list in Python?
The append() in python allows users to append items to their list.
For example:
my_list = ['Live', 'A', 'Good']my_list.append('Life')print my_listOutput:['Live', 'A', 'Good', 'Life']
How do you append to a list?
Users can append a list in python using the in-built append(). This method adds the elements to the end of the list and updates it.
How do you append to a file in python?
To append a file in Python, you use can use ‘a’ access mode. This opens the file for writing. The data will be added to the end.
For example:
f1 = open("myfile.txt", "w")L = ["This is Delhi \n", "This is Paris \n", "This is London"]f1.writelines(L)f1.close()# Append-adds at lastf1 = open("myfile.txt", "a") # append modef1.write("Today \n")f1.close()f1 = open("myfile.txt", "r")print("Output of Headlines after appending")print(f1.read())print()f1.close()# Write-Overwritesf1 = open("myfile.txt", "w") # write modef1.write("Tomorrow \n")f1.close()f1 = open("myfile.txt", "r")print("Output of Headlines after writing")print(f1.read())print()f1.close()Output:The output of Headlines after appendingThis is DelhiThis is ParisThis is LondontodayThe output of Headlines after writingTomorrow
How do you append in Python 3?
To append an item to the end of the list in python 3 we use the append().
For example:
langs = ['C++', 'Java', 'Python']langs.append('C#')print ("updated langs list : ", langs)Output:updated langs list : ['C++', 'Java', 'Python', 'C#']
