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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def make_cursor(path, init_statements=(), _connectioncache={}):

 """Returns a cursor to the database, making new connection if not cached."""

    connection = _connectioncache.get(path)
    if not connection:
        is_new = not os.path.exists(path) or not os.path.getsize(path)
        try: is_new and os.makedirs(os.path.dirname(path))
        except OSError: pass
        connection = sqlite3.connect(path, isolation_level=None,
            check_same_thread=False, detect_types=sqlite3.PARSE_DECLTYPES)
        for x in init_statements or (): connection.execute(x)
        try: is_new and ":memory:" not in path.lower() and os.chmod(path, 0707)
        except OSError: pass
        connection.row_factory = lambda cur, row: dict(sqlite3.Row(cur, row))
        _connectioncache[path] = connection
    return connection.cursor()