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尹旭做事向来滴水不漏，今日冒险渡淮水而来，想必是有什么目的的。整天跟二姑娘红椒杠嘴，板栗大少爷和葫芦表少爷隔一天不教训他，他就皮痒痒……大苞谷听着这些人名，既熟悉又陌生。Separating the construction of a complex object from its representation enables the same construction process to create different representations.First of all, let's introduce the business: in the purchase process, you can select the color of the mobile phone and enter the purchase quantity. At the same time, there are two display areas in the page, which respectively display the color and quantity that the user has just selected. There is also a button that dynamically displays the next operation. We need to query the inventory corresponding to the mobile phone of this color. If the inventory quantity is less than the purchase quantity this time, the button will be disabled and the copy with insufficient inventory will be displayed. Otherwise, the button will be highlighted and can be clicked and displayed if the shopping cart is displayed.　　剧集包括：未时刚过，几十人便将全部贝壳用光了，只好拿钱收工。8-13 User Profile: Copy the previous program user_profile. Py and call build_profile () to create a profile about you; When calling this function, specify your first and last names and three key-value pairs that describe you.