DefaultDict Tutorial

  • + 0 comments
    from collections import defaultdict
    
    n, m = map(int, input().split())
    
    d = defaultdict(list)
    
    for _ in range(n):
        d['A'].append(input().strip())
    
    for _ in range(m):
        d['B'].append(input().strip())
    
    for item in d['B']:
        positions = [i+1 for i, val in enumerate(d['A']) if val.strip().lower() == item.lower()]
        if positions:
            print(*positions)
        else:
            print(-1)
    '