Suppose we have a list of integers

`final numbers = [4, 2, 8, 3, 1, 5, 7, 9];`

We will find min value, max value in this list using ‘dart:math’ library

```
import 'dart:math';
int findMin(List<int> numbers) {
return numbers.reduce(min);
}
int findMax(List<int> numbers) {
return numbers.reduce(max);
}
```

Let’s do the test

```
import 'dart:math';
void main() {
final numbers = [4, 2, 8, 3, 1, 5, 7, 9];
print('MIN: ${findMin(numbers)}');
print('MAX: ${findMax(numbers)}');
}
int findMin(List<int> numbers) {
return numbers.reduce(min);
}
int findMax(List<int> numbers) {
return numbers.reduce(max);
}
```

Output

```
MIN: 1
MAX: 9
```

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