menu.py

print "Welcome to our fabulous menu creator!"
menu_dict = {}
while True:
    dish = raw_input("Please enter a dish: ")
    price = raw_input("Please enter a price for the dish: ")
    if price == True:
        menu_dict[dish] = True
    else:
        menu_dict[dish] = price

    new = raw_input("Would you like to enter another dish? (yes/no) ").lower()
    if new == "no" or new == "n":
        break
print "\nTODAY'S MENU:\n"
for item in menu_dict:
    print item + ": %s EUR" % menu_dict[item]