Python Pandas 排序

import pandas as pd

security = ['601318.XSHG','600036.XSHG','000333.XSHE','000651.XSHE','600660.XSHG','600887.XSHG','600004.XSHG','002415.XSHE','600519.XSHG','000002.XSHE','601166.XSHG','601006.XSHG']
stockSocre = [1,3,4,2,1,3,1,2,1,5,6,3]
dst_stocks = {}

i = 0
for stock in security:
    score = stockSocre[i]
    i = i + 1
    dst_stocks[stock] = score
df = pd.DataFrame(dst_stocks.values(), index=dst_stocks.keys())
df.columns = ['score']
df = df.sort(columns='score', ascending=False)
print(df)
buyStockList = list(df.index)[:3]
print(buyStockList)

选取分数最高的3个股票