Computer scienceProgramming languagesKotlinControl flowControl structures

When expression

Theory

The number of digits

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Write a program that reads a number and outputs the number of digits in it. Guaranteed that every input number has 1, 2, 3 or 4 digits.

This problem has lots of possible solutions. Use when for now.

Sample Input 1: 

655

Sample Output 1: 

3

Sample Input 2: 

12

Sample Output 2: 

2
Write a program in Kotlin
fun main() {
// put your code here
}
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