#### Introduction

- An ordered pair is simply a pair of objects, e.g.
**(a, b)** - In an ordered pair, the order matters:
LaTeX:

`(\mathbf{a}, \mathbf{b})\neq (\mathbf{b}, \mathbf{a}) \text{ unless } \mathbf{a} = \mathbf{b}`

- This contrasts with the unordered pair, in which (
**a**,**b**) = (**b**,**a**) regardless of the values of**a**and**b**. - An ordered pair is not a type of set. An ordered pair may contain duplicate elements, and its order is important.

#### Notation

Ordered Pairs are represented by a comma separated pair of elements wrapped in brackets:`a`= (1, 2)

`LaTeX:``\mathbf{a} = (1, 2)`

#### code (Python)

```
a = (1, 2)
print(a)
```