product = [["冰箱", 2199], ["电饭煲", 399], ["吹风机", 129]]
for item in product:
print("商品:{},价格:{}".format(item[0],item[1]))
del product[1]
product.append(["空气炸锅", 499])
print("修改后商品列表:",product)
cHJvZHVjdCA9IFtbIuWGsOeusSIsIDIxOTldLCBbIueUtemlreeFsiIsIDM5OV0sIFsi5ZC56aOO5py6IiwgMTI5XV0KZm9yIGl0ZW0gaW4gcHJvZHVjdDoKICAgIHByaW50KCLllYblk4HvvJp7fSzku7fmoLzvvJp7fSIuZm9ybWF0KGl0ZW1bMF0saXRlbVsxXSkpCiAgICAKZGVsIHByb2R1Y3RbMV0KcHJvZHVjdC5hcHBlbmQoWyLnqbrmsJTngrjplIUiLCA0OTldKQpwcmludCgi5L+u5pS55ZCO5ZWG5ZOB5YiX6KGo77yaIixwcm9kdWN0KQ==
商品:冰箱,价格:2199
商品:电饭煲,价格:399
商品:吹风机,价格:129
修改后商品列表: [['冰箱', 2199], ['吹风机', 129], ['空气炸锅', 499]]