事情是这样的
df = pd.DataFrame({'Symbol':['A','B','C','D','E','F','G','H','I','J'],'Age':['Young','Young','Senior','Junior','Junior','Senior','Young','Junior','Senior','Young'],'Deposit':[10000,30000,50000,70000,90000,20000,40000,80000,100000,120000],'Cash':[100,200,300,400,500,600,700,800,900,1000]})
请问pandas中应怎样计算每个’Age‘的’deposit‘最高的两人的平均Cash