In this tutorial, we will look at how to check if a tuple contains only numbers in Python with the help of some examples.
How to check if all tuple elements are numbers?

You can use a combination of the Python built-in isinstance()
and all()
function to check if a tuple contains only numbers. For instance, you can use the following steps to check if all elements in a tuple are integers in Python –
- In a list comprehension, for each element in the tuple, check if it’s an integer using the
isinstance()
function. - Apply the Python built-in
all()
function to returnTrue
only if all the items in the above list comprehension correspond toTrue
.
The following is the code to check if all elements in a tuple are integers or not.
# check if all elements in tuple t are integers all([isinstance(item, int) for item in t])
Let’s take a look at an example.
# tuple of numbers t = (1, 2, 3, 4) # check if tuple contains only numbers print(all([isinstance(item, int) for item in t]))
Output:
True
We get True
as the output as all elements in the tuple t
are integers.
Let’s take a look at another example.
# tuple of numbers and a string t = (1, 2, 3, 4, 'cat') # check if tuple contains only numbers print(all([isinstance(item, int) for item in t]))
Output:
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False
Here we get False
as the output because not all elements in the tuple t
are integers. One element, “cat” in the tuple is a string.
Check if all items in a tuple of strings are numeric
If you, however, have a tuple of strings and want to check whether all the elements in the tuple are digits or not, you can use the following code.
# tuple of numeric strings t = ("1", "2", "3", "4") # check if tuple of string contains only numberic elements print(all([item.isdigit() for item in t]))
Output:
True
Here we check whether each element in the tuple of strings, t
is a numerical string or not using the string isdigit()
function. We get True
as the output as all the strings in the tuple t
are numeric characters.
You might also be interested in –
- Check If a List Contains Only Numbers in Python
- Python – Remove Duplicates From Tuple
- Find Index of an Element in a Tuple in Python
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