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
    sensitive_str = (
        lambda x: "Diamond"
        if repr(x).startswith("Vault contents: [Diamond]")
        else '{random.choice([\'"Robber!"\', \'"No Diamond!"\', \'"bad repr: " + repr(x)])}'
    )
    vault.__class__.__str__ = lambda self: sensitive_str(vault)
    class SuperHardGlass:
        def __repr__(self):
            return "SuperHardGlass (but looks like a Diamond)"
        @property
        def shine(self):
            return 4
        @property
        def hardness(self):
            return 5
    for i in range(10):vault.insert(0, SuperHardGlass())
def robber():
    global print, get_shine, get_hardness, str, vault
    str = lambda x: "[A, Thing]"
    if vault.max_shine()!= 5:
        try:
            vault._items = vault._items[1:]
        except Exception:
           ...
    if vault.max_hardness() == 5:
        if 'Diamond' not in str(vault):
            try:
                vault.append = lambda x: vault._items.append(x)
            except Exception:
               ...
    if vault.append is not None:
        vault._items.append("A")
    if vault.max_shine()!= 5:
        # class Trash:
        #     def __repr__(self):
        #         return "Trash"
        #
        #     @property
        #     def shine(self):
        #         return 3
        #
        #     @property
        #     def hardness(self):
        #         return 4
        #
        #
        # vault.insert(0, Trash())
        #
        #
        #
       ...
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
