[BaekJoon] 1764번 : 듣보잡 (Python)

1일 1문제 96일차!

오늘의 문제는 백준의 듣보잡입니다.

1764번: 듣보잡

Solution

N, M = map(int, input().split())

people_no_hear = []
people_no_look = []

for i in range(N):
    name = str(input())
    people_no_hear.append(name)
    
for i in range(M):
    name = str(input())
    people_no_look.append(name)
    
        
no_hear_look = (set(people_no_hear) & set(people_no_look))
no_hear_look = sorted(no_hear_look)

print(len(no_hear_look))
for name in no_hear_look:
    print(name)

SOMJANG/CODINGTEST_PRACTICE