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## number of digits
### Instructions
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Write a function that returns the number of digits in a positive integer `n`.
- if the number is negative returns `0`.
### Expected function
```go
func Numofdigits(num int) int {
}
```
### Usage
2 years ago
Here is a possible program to test your function:
```go
package main
import (
2 years ago
"fmt"
)
func main() {
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fmt.Println(Numofdigits(3))
fmt.Println(Numofdigits(245))
fmt.Println(Numofdigits(-1))
fmt.Println(Numofdigits(885))
fmt.Println(Numofdigits(8574))
}
```
And its output :
```console
$ go run .
1
3
0
3
4