168. 각도기

import Foundation

func solution(_ angle:Int) -> Int {
    
    var answer = 0
    
    if angle > 0 && angle < 90 {
        answer = 1
    } else if angle == 90 {
        answer = 2
    } else if angle > 90 && angle < 180 {
        answer = 3
    } else {
        answer = 4 
    }
    return answer
}