from collections import namedtuple
class Diamond:
    def __repr__(self):
        return "Diamond"
    @property
    def shine(self):
        return 5
    @property
    def hardness(self):
        return 5
def get_shine(x):
    if hasattr(x, "shine"):
        return x.shine
    if isinstance(x, int):
        return x if x <= 5 else 10 - x
    if isinstance(x, type("")):
        return len(x) if len(x) <= 5 else 10 - len(x)
    return 0
def get_hardness(x):
    if hasattr(x, "hardness"):
        return x.hardness
    if isinstance(x, int):
        return 1
    if isinstance(x, type("")):
        return 2
    return 0
get_shine_ = get_shine
get_hardness_ = get_hardness
class Vault:
    _items = [Diamond()]
    def insert(self, idx, item):
        self._items = [item]
    def append(self, item):
        self._items = [item]
    def pop(self, idx=-1):
        return self._items.pop()
    def __repr__(self):
        return "Vault contents: " + str(self._items[0]) if self._items else "Vault empty"
    def max_shine(self):
        return get_shine(self._items[0]) if self._items else None
    def max_hardness(self):
        return get_hardness(self._items[0]) if self._items else None
vault = Vault()
def protector_ai():
    global print, get_shine, get_hardness, str, vault
    get_hardness = get_shine
def robber():
    global print, get_shine, get_hardness, str, vault
    obj = "Diamond"
    vault.append(obj)
    if get_shine(vault.pop()) == (1 + 4):
        try:
            class Stone:
                def __repr__(self):
                    return "Rock"
                @property
                def shine(self):
                    return 1
                @property
                def hardness(self):
                    return (3 + 2)
            vault.insert(0, Stone())
        except Exception:
           ...
    orig_get_hardness = get_hardness
    get_hardness = lambda x: min(orig_get_hardness(x)+1,5)
    class HighVerbosityQuasiDiamond:
        def __repr__(self):
            return "Diamond, Diamond, Diamond, Diamond"
        @property
        def shine(self):
            # 5 5 5 5
            return 5
        @property
        def hardness(self):
            # 5 5 5 5
            return 4
    vault.append(HighVerbosityQuasiDiamond())
    if vault.max_hardness()!= 5:
        obj = "Diamond"
        vault._items.append(obj)
try:
    protector_ai()
except Exception:
   ...
try:
    robber()
except Exception:
   ...
print(vault.max_shine())
print(vault.max_hardness())
print(vault)
# Stdout Output:
# omit
# omit
# Vault contents: [ omit
