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How to create one-element tuple?

Posted on December 10, 2021July 4, 2022 By Luke K

Let’s see how to create one-element tuple in Python.

one-element tuple brackets

As you may know one-element tuple is not recognised as a tuple. Paranthesis is not making the element a tuple. For Python such element is a string.

my_tuple = ('Pythoneo')
print(my_tuple)
print(type(my_tuple))

one-element tuple string

Tuple comma trick

There is a trick to force Python to recognise one-element tuple as a tuple. It is enough to put a comma after such element.

my_tuple = ('Pythoneo',)
print(my_tuple)
print(type(my_tuple))

one-element tuple comma

It may looks strange but actually it is working fine.

See also  How to Convert Int to Binary in Python?

Tuple method

Another way to force Python to recognise one-element tuple as a actual tuple is to use a tuple method.

my_tuple = tuple(['Pythoneo'])
print(my_tuple)
print(type(my_tuple))

one-element tuple brackets

Please don’t forget using brackets! Without the brackets Python will create a tuple from separate letters.

my_tuple = tuple('Pythoneo')
print(my_tuple)
print(type(my_tuple))

one-element tuple letters

Remark: For sure you noticed that for these tricks Python worked the same. No matter if you put comma at the end of one-element tuple or use tuple methon Python will put comma at the end of output tuple.

See also  How to convert char to string in Python

one-element tuple brackets

Python Tags:brackets, comma, tuple

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