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DefaultDict Tutorial

  • hettiarachchise1
     + 0 comments
    from collections import defaultdict

if __name__ == '__main__':
    n, m = map(int, input().split())
    words_dict = defaultdict(list)
    for i in range(n):
        words_dict['A'].append(input())
        
    for i in range(m):
        words_dict['B'].append(input())
        
    for word in words_dict['B']:
        indexes = [i+1 for i, x in enumerate(words_dict['A']) if x == word]
        if indexes:
            print(*indexes)
        

        if word not in words_dict['A']:
        print(-1)