Foreword
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Author: python vision algorithms
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Single inheritance
The output is:
python 说: 我已经 20 岁了，我现在在读 7 年级Multiple inheritance
It should be noted that the order of parent classes in parentheses, if the parent has the same method name, and it is not specified when the subclass is used, Python searches from left to right, that is, when the method is not found in the subclass, it searches from left to right Whether the parent class contains methods.
The output of executing the above program is:
我叫 Tim，我是一个演说家，我演讲的主题是 Python