## Is Johnny Making Progress?

To train for an upcoming marathon, Johnny goes on one long-distance run each Saturday. He wants to track how often the number of miles he runs this Saturday exceeds the number of miles run the **previous** Saturday. This is called a **progress day**.

Create a function that takes in an array of miles run every Saturday and returns Johnny's total number of progress days.

### Examples

```text
progressDays([3, 4, 1, 2]) ➞ 2
// There are two progress days, (3->4) and (1->2)

progressDays([10, 11, 12, 9, 10]) ➞ 3

progressDays([6, 5, 4, 3, 2, 9]) ➞ 1

progressDays([9, 9])  ➞ 0
```

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### Notes

- Running the **same number of miles** as last week does not count as a progress day.