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Python — диаблоид — Этап 10 — EventBus и опыт

Фрагмент из «Python — диаблоид»: Этап 10 — EventBus и опыт.

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Python main.py 
from dataclasses import dataclass

XP_BASE = 18
XP_LEVEL_MULT = 1.19
XP_LEVEL_ADD = 5


@dataclass
class Experience:
    level: int = 1
    xp: int = 0
    xp_to_next: int = XP_BASE

    def add_xp(self, amount: int) -> int:
        self.xp += amount
        ups = 0
        while self.xp >= self.xp_to_next:
            self.xp -= self.xp_to_next
            self.level += 1
            self.xp_to_next = int(self.xp_to_next * XP_LEVEL_MULT + XP_LEVEL_ADD)
            ups += 1
        return ups
from dataclasses import dataclass

XP_BASE = 18
XP_LEVEL_MULT = 1.19
XP_LEVEL_ADD = 5


@dataclass
class Experience:
    level: int = 1
    xp: int = 0
    xp_to_next: int = XP_BASE

    def add_xp(self, amount: int) -> int:
        self.xp += amount
        ups = 0
        while self.xp >= self.xp_to_next:
            self.xp -= self.xp_to_next
            self.level += 1
            self.xp_to_next = int(self.xp_to_next * XP_LEVEL_MULT + XP_LEVEL_ADD)
            ups += 1
        return ups