แสดงรหัส ชื่อ และนามสกุลให้กับลูกค้าทุกคนด้วยบัตรอย่างน้อยสองใบ
Show id, first and last names for all customers with at least two cards.
df_customers_cards = pd.DataFrame(columns=['customer_id']);df_customers = pd.DataFrame(columns=['customer_first_name', 'customer_last_name', 'customer_id'])
df_customers[df_customers['customer_id'].isin(df_customers_cards['customer_id'].value_counts()[df_customers_cards['customer_id'].value_counts() >= 2].index)][['customer_id', 'customer_first_name', 'customer_last_name']]