restaurants = {
    "Italian": {
        "Pasta House": {
            "address": "123 Main St, Anytown USA",
            "phone": "555-555-1212",
            "price": "$$$"
        },
        "Mama Mia's": {
            "address": "456 High St, Anytown USA",
            "phone": "555-555-1313",
            "price": "$$"
        }
    },
    "Mexican": {
        "Taco Palace": {
            "address": "789 1st St, Anytown USA",
            "phone": "555-555-1414",
            "price": "$"
        },
        "La Fiesta": {
            "address": "234 2nd St, Anytown USA",
            "phone": "555-555-1515",
            "price": "$$"
        }
    }
}

# دسترسی به اطلاعات یک رستوران ایتالیایی به نام Mama Mia's
print(restaurants["Italian"]["Mama Mia's"]["address"]) # "456 High St, Anytown USA"

# دسترسی به اطلاعات یک رستوران مکزیکی به نام La Fiesta
print(restaurants["Mexican"]["La Fiesta"]["phone"]) # "555-555-1515"