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Convert lists and tuples to each other in Python

Posted: 2020-07-22 / Tags: Python, ListTweet

In Python, you can convert lists list and tuples tuple to each other by using list() and tuple().

Tóm lược đại ý quan trọng trong bài

• Convert lists and tuples to each other in Python
• Add / change / delete tuple`s element
• Related Categories
• Related Articles

For the sake of convenience, the word “convert” is used , but in reality a new object is generated, and the original object remains the same.

list() and tuple() return new list and tuple when given an iterable object such as list, tuple, set, range, etc.

• Built-in Functions – list() Python 3.8.5 documentation
• Built-in Functions – tuple() Python 3.8.5 documentation

In the following sample code, list, tuple, and range type objects are used as examples.

l = [0, 1, 2]
print(l)
print(type(l))
# [0, 1, 2]
#
t = (‘one’, ‘two’, ‘three’)
print(t)
print(type(t))
# (‘one’, ‘two’, ‘three’)
#
r = range(10)
print(r)
print(type(r))
# range(0, 10)
#
source: list_tuple.py

See the following article for details on range().

• How to use range() in Python

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list()

By passing an iterable object such as tuple as an argument of list(), list with the elements of passed iterable is generated.

tl = list(t)
print(tl)
print(type(tl))
# [‘one’, ‘two’, ‘three’]
#
rl = list(r)
print(rl)
print(type(rl))
# [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
#
source: list_tuple.py

tuple()

By passing an iterable object such as list as an argument of tuple(), tuple with the elements of passed iterable is generated.

lt = tuple(l)
print(lt)
print(type(lt))
# (0, 1, 2)
#
rt = tuple(r)
print(rt)
print(type(rt))
# (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
#
source: list_tuple.pySponsored Link

Add / change / delete tuple`s element

Since tuple is immutable, you can not add, change or remove elements, but after making list with list() and adding, changing, deleting elements of list, you can get updated tuple by using tuple() again.

See the following article for details.

• Update tuples in Python (Add, change, remove items in tuples)

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Related Categories

• Python
• List

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