# Challenge 7: Print all Connected Components in a Graph

Given an undirected graph, find all connected components in a graph.

## We'll cover the following

## Problem Statement

Implement a function which takes an undirected graph and prints all the connected components of a graph.

### Input

An undirected graph.

### Output

All connected components in a graph

### Sample Input

```
graph = {
0 -- 1
1 -- 2
3 -- 4
5 -- 3
5 -- 6
3 -- 6
}
```

### Sample Output

```
0 1 2
3 4 5 6
```

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