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## digitlen
### Instructions
Write a function `DigitLen()` that takes two integers as arguments and returns the times the first `int` can be divided by the second until it reaches zero.
- The second `int` must be between **_2_** and **_36_** . If not, the function returns `-1` .
- If the first `int` is negative, reverse the sign and count the digits.
### Expected function
```go
func DigitLen(n, base int) int {
}
```
### Usage
Here is a possible program to test your function:
```go
package main
import (
"fmt"
)
func main() {
fmt.Println(DigitLen(100, 10))
fmt.Println(DigitLen(100, 2))
fmt.Println(DigitLen(-100, 16))
fmt.Println(DigitLen(100, -1))
}
```
And its output:
```console
$ go run . | cat -e
3$
7$
2$
-1$
```
