Is the Number a Repdigit
A repdigit is a positive number composed out of the same digit. Create a function that takes an integer and returns whether it's a repdigit or not.
Examples
isRepdigit(66) ➞ true
isRepdigit(0) ➞ true
isRepdigit(-11) ➞ false
Notes
- The number
0
should return true
(even though it's not a positive number).