Positive Count / Negative Sum

Create a function that takes a list of positive and negative numbers. Return a list where the first element is the count of positive numbers and the second element is the sum of negative numbers.

Examples

sum_neg([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, -11, -12, -13, -14, -15]) ➞ [10, -65]
# There are a total of 10 positive numbers.
# The sum of all negative numbers equals -65.

sum_neg([92, 6, 73, -77, 81, -90, 99, 8, -85, 34]) ➞ [7, -252]

sum_neg([91, -4, 80, -73, -28]) ➞ [2, -105]

sum_neg([]) ➞ []

Notes

• If given an empty list, return an empty list: []
• 0 is not positive.