aima/search.py
def result(self, state, row):
        "Place the next queen at the given row."
        col = state.index(None)
        new = state[:]
        new[col] = row
        return new
def result(self, state, row):
        "Place the next queen at the given row."
        col = state.index(None)
        new = state[:]
        new[col] = row
        return new
Place the next queen at the given row.