03.plant discovery

### работещ код 100/100

number_of_information = int(input())
my_plants = {}

for receiving in range(number_of_information):
    information_for_plants = input().split("<->")
    plant_name = information_for_plants[0]
    rarity = information_for_plants[1]
    my_plants[plant_name] = [rarity, []]

exhibition = False
while not exhibition:
    commands = input()
    if commands == "Exhibition":
        exhibition = True
        break

    commands = commands.split(": ")
    current_command = commands[0]
    if current_command == "Rate":
        plant_for_rate = commands[1].split(" - ")[0]
        rating = int(commands[1].split(" - ")[1])
        if plant_for_rate in my_plants:
            my_plants[plant_for_rate][1].append(rating)
        else:
            print("error")

    elif current_command == "Update":
        plant_for_update = commands[1].split(" - ")[0]
        plant_rarity = commands[1].split(" - ")[1]
        if plant_for_update in my_plants:
            my_plants[plant_for_update][0] = plant_rarity
        else:
            print("error")

    elif current_command == "Reset":
        plant_for_reset = commands[1]
        if plant_for_reset in my_plants:
            my_plants[plant_for_reset][1] = []
        else:
            print("error")

print("Plants for the exhibition:")
for plant in my_plants:
    if len(my_plants[plant][1]) > 0:
        rating_current_plant = sum(my_plants[plant][1]) / len(my_plants[plant][1])
    else:
        rating_current_plant = 0
    print(f"- {plant}; Rarity: {my_plants[plant][0]}; Rating: {rating_current_plant:.2f}")

##### не работещ код 87/100 рънтайм

def main():
    discovered_plants = {}
    number_of_information = int(input())
    for receiving_info in range(number_of_information):
        plant, rarity = input().split("<->")
        discovered_plants[plant] = [rarity]

    commands = input()
    while commands != "Exhibition":
        current_command = commands.split(": ")[0]
        name_plant = commands.split(": ")[1].split(" - ")[0]

        if name_plant not in discovered_plants:
            print("error")
        elif current_command == "Rate":
            rate_plant = int(commands.split(": ")[1].split(" - ")[1])
            discovered_plants[name_plant].append(rate_plant)
        elif current_command == "Update":
            rarity_plant = commands.split(": ")[1].split(" - ")[1]
            discovered_plants[name_plant][0] = rarity_plant
        elif current_command == "Reset":
            discovered_plants[name_plant] = discovered_plants[name_plant][0]

        commands = input()

    print("Plants for the exhibition:")
    for plants_for_exhibition in discovered_plants:
        name_of_plant = plants_for_exhibition
        rarity_of_plant = discovered_plants[plants_for_exhibition][0]
        calculating_rating = 0
        if len(discovered_plants[plants_for_exhibition]) > 1:
            calculating_rating = sum(discovered_plants[plants_for_exhibition][1:]) / \
                                 len(discovered_plants[plants_for_exhibition][1:])

        print(f"- {name_of_plant}; Rarity: {rarity_of_plant}; Rating: {calculating_rating:.2f}")

main()