第 7 步:干得好!不幸的是,你刚刚输入的问题不是,呃,问题。让我们做出更好的!
- 在main()中,与has_scales ,将"question"更改为"Does your animal have scales?"
- 在eggs_in_water行中,将"question"更改为"Does your animal lay eggs in water?"
- 在有has_hair的那一行,将"question"改为"Does your animal have hair?"
- 好的!通过我们的四个问题,我们将能够正确分类许多脊椎动物!
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