text: '''
  Dictionary Calculations:字典的计算
  '''
  
  stocks={
      'GOOD':434,
      'AAPL':325,
      'FB':54,
      'AMZN':623,
      'F':32,
      'MSFT':549,
      }
  # 错误
  # print(min(stocks))
  
  # 使用zip将value放在前，通过min进行排序选出最低的价格
  min_price=min(zip(stocks.values(),stocks.keys()))
  print(min_price)