백준 17202 핸드폰 번호 궁합

https://www.acmicpc.net/problem/17202

17202번: 핸드폰 번호 궁합

 

def sol(gunghap):
    new_gunghap=''
    for i in range(len(gunghap)-1):
        new_gunghap+= str((int(gunghap[i])+int(gunghap[i+1]))%10)
    if len(new_gunghap)>2:
        return sol(new_gunghap)
    return  new_gunghap
 
 
if __name__ == '__main__':
    a= str(input())
    b= str(input())
    gunghap =''
    for i in range(8):
        gunghap += a[i]
        gunghap += b[i]
    print(sol(gunghap))

재귀랑 반복문 이용하면 쉽게 풀수있죠

Use recursion, Loop