How to calculate mean of a field considering only values greater than 0 in ArcGIS field calculator/Arcpy?

Question

I have to calculate the mean of a field considering only values ​​greater than 0.

Here is the table

Id

count

1

12

2

9

3

6

4

5

0

6

3

7

4

8

0

9

2

10

2

11

0

12

3

13

2

14

2

15

0

16

3

17

0

JoshuaBixby · Accepted Answer

@badrinathkar, this is a duplicate of https://community.esri.com/t5/arcmap-questions/how-to-calculate-mean-of-a-field-considering-only-values-greater/m-p/1053307#M2433, which already has a response.  Please delete this one.