print("简易记账本(三月)") March=[] for date in range(20210301,20210332): March.append([date]) print() while True: day=input("请问要输入几号的开销?如果结束请输入ok: ") if day=="ok": break else: print("请输入每一笔开销,结束请输入ok") expense=[] n=1 while n!=0: each = input("第"+str(n)+"笔:") if each == "ok": n=0 else: expense.append(float(each)) n=n+1 print("记录成功") March[int(day)-1].append(sum(expense)) expense_total=0 for each_day in March: if len(each_day) == 2: expense_total = expense_total + each_day[1] print() print("本月支出汇总报告") print("总支出:" + str(expense_total))