In the code above, knn refers to“K-Nearest Neighbors”, and df refers to“DataFrame”, the ubiquitous pandas data structure.
字典是另一个数据结构的例子,和列表一样,是编程中最常用的数据结构之一。
Dictionaries are another example of an information structure, and like lists they are among the most frequently utilized information structures in programs.
It is quite common, for example, to store the two Adj-RIBs and the Loc-RIB together in the same data structure, with additional information attached to the RIB entries.
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