특이한정렬

def solution(numlist, n):
    
    answer = sorted([i-n for i in numlist],key=abs)
    
    
    for i in range(len(answer)-1):
        if abs(answer[i])==abs(answer[i+1]) and answer[i] < answer[i+1]:
            answer[i], answer[i+1] = answer[i+1]+n, answer[i]
        else:
            answer[i] += n
    
    answer[-1] = answer[-1] + n
    
    return answer