ДЗ. Задание 12

from collections import defaultdict


clients = defaultdict(lambda: defaultdict(int))
stocks = defaultdict(lambda: 1)

def buy_action(client, company, value):
	clients[client][company] += value


def sell_action(client, company, value):
	amount = clients[client][company]
	clients[client][company] -= min(value, amount)


def balance_check(client):
	return sum(stocks[company] * amount for company, amount in clients[client].items())


def price_raise(company, percents):
	stocks[company] *= (1 + percents / 100)


def price_fall(company, percents):
	stocks[company] *= (1 - percents / 100)


handlers = {
	"BUY" : lambda args: buy_action(args[0], args[1], int(args[2])),
	"SELL" : lambda args : sell_action(args[0], args[1], int(args[2])),
	"PRICE_RAISE" : lambda args : price_raise(args[0], float(args[1])),
	"PRICE_FALL" : lambda args : price_fall(args[0], float(args[1])),
	"BALANCE" : lambda args: print(round(balance_check(args[0])))
}

n = int(input())

for _ in range(n):
	cmd, *args = input().split()
	handlers[cmd](args)