public List <Tenant> SearchForTenantByName(string firstNameToSearch)
        {
            var result          = new List <Tenant>();
            var lowerCaseSearch = firstNameToSearch.ToLower();
            var tenants         = _tenantStorageList.GetAll();

            foreach (var tenant in tenants)
            {
                var lowerCaseFirstName = tenant.FirstName.ToLower();
                // if (lowerCaseFirstName.Contains(lowerCaseSearch)){
                //     result.Add(tenant);
                // }
                if (lowerCaseFirstName.StartsWith(lowerCaseSearch))
                {
                    result.Add(tenant);
                }
            }
            return(result);
        }
        //method to print all the tenants

        public List <Tenant> PrintAllTenants()
        {
            return(_tenantStorageList.GetAll());
        }