davi_jons

sites = {
"asos" : ["adidas", "nike", "reebok", "asics", "karhu"],
"lamoda" : ["adidas", "nike", "reebok", "asics", "karhu", "demix", "fila"],
"brandshop" : ["adidas", "reebok", "champion" ],
}

def get_sites(sites, name="asics"):
   for key, value in sites.items():
       if name in value:
           print(key +'.com')
       else:
           print("Такой марки нет")
           
get_sites(sites, name="asics")