product=[["电视机",3999],["空调",2999],["冰箱",5999]]
for item in product:
print("商品:{},价格:{}".format(item[0],item[1]))
del product[1]
product.append(["洗衣机",4999])
print("修改后商品列表",product)
cHJvZHVjdD1bWyLnlLXop4bmnLoiLDM5OTldLFsi56m66LCDIiwyOTk5XSxbIuWGsOeusSIsNTk5OV1dCmZvciBpdGVtIGluIHByb2R1Y3Q6CglwcmludCgi5ZWG5ZOBOnt9LOS7t+agvDp7fSIuZm9ybWF0KGl0ZW1bMF0saXRlbVsxXSkpCmRlbCBwcm9kdWN0WzFdCnByb2R1Y3QuYXBwZW5kKFsi5rSX6KGj5py6Iiw0OTk5XSkKcHJpbnQoIuS/ruaUueWQjuWVhuWTgeWIl+ihqCIscHJvZHVjdCk=
商品:电视机,价格:3999
商品:空调,价格:2999
商品:冰箱,价格:5999
修改后商品列表 [['电视机', 3999], ['冰箱', 5999], ['洗衣机', 4999]]