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  2. Python
  3. Collections
  4. DefaultDict Tutorial
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DefaultDict Tutorial

  • finndemoncat
     + 0 comments
    # Enter your code here. Read input from STDIN. Print output to STDOUT
from collections import defaultdict

n, m  = map(int, input().split())

groups = defaultdict(list)
for _ in range(n):
    groups["A"].append(input())
    
for _ in range(m):
    groups["B"].append(input())

for char in groups["B"]:
    
    if (char not in groups["A"]):
        print(-1, end=" ")
        
    for x in range(len(groups["A"])):
        if(char == groups["A"][x]):
            print((x + 1), end=" ")
    
    print('')