or — Advanced Examples

# any() is the multi-value version of or
checks = [False, False, True, False]
print(f"any: {any(checks)}")
print(f"manual or: {checks[0] or checks[1] or checks[2] or checks[3]}")

# or for fallback functions
def get_from_cache(key):
    return None  # cache miss

def get_from_db(key):
    return f"db:{key}"

def get_from_api(key):
    return f"api:{key}"

result = get_from_cache("user") or get_from_db("user") or get_from_api("user")
print(f"Result: {result}")

# Nested or/and
def access_allowed(user, resource):
    is_admin = user == "admin"
    is_owner = user == resource.get("owner")
    is_public = resource.get("public", False)
    return is_admin or is_owner or is_public

print(access_allowed("admin", {"owner": "bob"}))
print(access_allowed("alice", {"owner": "bob", "public": True}))
print(access_allowed("alice", {"owner": "bob"}))