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# Python Set | intersection method

schedule Aug 11, 2023
Last updated
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Python's `set.intersection(~)` method returns a new set with elements common to all the provided sets.

# Parameters

1. `sets` | `set` | `optional`

The sets to return common elements for.

# Return value

A new set with elements common to the input sets.

# Examples

## Basic usage

To return a set of all elements common to sets `A`, `B`, `C`:

``` a = {'dog', 'cat', 'pig'}b = {'frog', 'fish', 'dog'}c ={'mouse', 'dog'}a.intersection(b, c) {'dog'} ```

As `'dog'` is common to all three sets, a set containing `'dog'` is returned.

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