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Python - Update Tuples

Tuples are unchangeable, meaning that you cannot change, add, or remove items once the tuple is created. But there are some workarounds.

Change Tuple Values

Once a tuple is created, you cannot change its values. Tuples are unchangeable, or immutable as it also is called. But there is a workaround. You can convert the tuple into a list, change the list, and convert the list back into a tuple.

Example

Convert the tuple into a list to be able to change it:

Formula

x = ("apple", "banana", "cherry")
y = list(x)

y[1] = "kiwi" x = tuple(y)

print(x)

Add Items

Formula

Since tuples are immutable, they do not have a built - in append()

method, but there are other ways to add items to a tuple.

1.

Convert into a list

: Just like the workaround for changing a tuple, you can convert it into a list, add your item(s), and convert it back into a tuple.

Example

Convert the tuple into a list, add "orange", and convert it back into a tuple:

Formula

thistuple = ("apple", "banana", "cherry")
y = list(thistuple)

y.append("orange") thistuple = tuple(y)

  1. Add tuple to a tuple. You are allowed to add tuples to tuples, so if you want to add one item, (or many), create a new tuple with the item(s), and add it to the existing tuple:

Example

Create a new tuple with the value "orange", and add that tuple:

Formula

thistuple = ("apple", "banana", "cherry")
y = ("orange",)
thistuple += y print(thistuple)

Note:

When creating a tuple with only one item, remember to include a comma after the item, otherwise it will not be identified as a tuple.

Remove Items

Note:

You cannot remove items in a tuple. Tuples are unchangeable, so you cannot remove items from it, but you can use the same workaround as we used for changing and adding tuple items:

Example

Convert the tuple into a list, remove "apple", and convert it back into a tuple:

Formula

thistuple = ("apple", "banana", "cherry")
y = list(thistuple)

y.remove("apple") thistuple = tuple(y) Or you can delete the tuple completely:

Example

The del keyword can delete the tuple completely:

Formula

thistuple = ("apple", "banana", "cherry")
del thistuple print(thistuple)

#this will raise an error because the tuple no longer exists

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Python - Tuple Methods