how to restart while loop

import sys
import random


def resturaunt_open():
    if rand == 1:
        print("That resturaunt is closed right now.") # I want to restart the loop right here
def food_money(food1, food2, food3, food4, food5, money, money2, money3, money4, money5):
    food = input("Do you want to get " + food1 + ", " + food2 + ", " + food3 + ", " + food4 + ", or " + food5 + "? ").lower()
    if food == food1:
        print("Your food wil cost $" + money)
    elif food == food2:
        print("Your food wil cost $" + money2)
    elif food == food3:
        print("Your food wil cost $" + money3)
    elif food == food4:
        print("Your food wil cost $" + money4)
    elif food == food5:
        print("Your food wil cost $" + money5)
    else:
        print("That food was not one of your options.")
        sys.exit()
def choose_resturaunt():
    global resturaunt
    if resturaunt == "mcdonalds":
        resturaunt_open()
        food_money("a big mac","grilled chicken"," an egg mcmuffin","a happy meal","mcnuggets", "3.99", "4.59", "3.79", "3.00", "4.49")
    elif resturaunt == "jimmy's seafood":
        resturaunt_open()
        food_money("fish","shrimp","clams", "muscles","lobster", "8.50", "13.50", "9.50", "10.00", "26.00")
    elif resturaunt == "mickey's diner":
        resturaunt_open()
        food_money("a stack of 3 pancakes","oatmeal","a hamburger","a cheseburger", "a ham and cheese sandwhich","5.49","3.79","6.99", "7.19","5.19")
    elif resturaunt == "john's steakhouse":
        resturaunt_open()
        food_money("a crab cake","shrimp with sauce","beef and bacon","steak with sauce", "a lobster blt","17.00","23.00","15.00", "18.00","25.00")
    elif resturaunt == "joe's foodcourt":
        resturaunt_open()
        food_money("a footlong bacon and chese sub","a steakburger","a hamburger","a cheseburger", "fish with sauce","4.99","5.79","4.99", "4.99","6.19")
    elif resturaunt == "beacon street cafe":
        resturaunt_open()
        food_money("coffee","an omlet","croque madame","a turkey and pesto sandwhich","a loaded burger","4.19","4.59","9.00","8.50","5.50")
    elif resturaunt == "alex's bakery":
        resturaunt_open()
        food_money("plain bagel","an everything bagel","a blueberry muffin","a croissant","a baugette","1.29","1.49","2.39","2.19","3.19")
    elif resturaunt == "ihop":
        resturaunt_open()
        food_money("5 chocolate pancakes","10 plain pancakes","a belgian waffle","6 french toast slices","3 blueberry pancakes","6.49","10.19","5.19","6.59","6.99")
    else:
        print("That was not one of your options.")
def want_quit():
    input("Press 'q' to quit out of this application. Press enter to choose which resturaunt you want to go to again.")

while True:
    rand = random.randint(1, 1)
    resturaunt = input("Do you want to go to McDonalds, Jimmy's seafood, Mickey's diner, John's steakhouse, Joe's food court, Beacon Street Cafe, Alex's bakery, or IHOP? ").lower()
    choose_resturaunt()