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 return`True`

only if all the items in the above list comprehension correspond to`True`

.

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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