Issue: I'm trying to create a custom object with json data, however swift is giving me an error thats theres a missing parameter when im looping/adding data to the object, Yet in the model im using an optional so I'm confused where the problem lies. ultimately this data will go into a table view.Issue: I'm trying to create a custom object wit
阅读背景：
为什么我得到这个快速错误？在调用中缺少参数'price'的参数
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