PC Game Shop

volume = int(input())
hearthstones = 0
fornites = 0
overwatches = 0
others = 0

for i in range(volume):
    game = input()
    if game == "Hearthstone":
        hearthstones += 1
    elif game == "Fornite":
        fornites += 1
    elif game == "Overwatch":
        overwatches += 1
    else:
        others += 1

print(f"Hearthstone - { hearthstones / volume * 100:.2f}%")
print(f"Fornite - { fornites / volume * 100:.2f}%")
print(f"Overwatch - { overwatches / volume * 100:.2f}%")
print(f"Others - { others / volume * 100:.2f}%")

РЕШЕНИЕ С РЕЧНИК И ТЕРНАРЕН ОПЕРАТОР:

games = {'Hearthstone': 0, 'Fornite': 0, 'Overwatch': 0, 'Others': 0}
volume = int(input())

for i in range(volume):
    game = input()
    games[game if game in games else 'Others'] += 1

for game in games:
    print(f"{game} - {games[game] / volume * 100:.2f}%")