Python继承。无法读取属性

Question

我对Python很新，我试图继承超类。

超类的样子：

class LanguageModel: 
    # Initialize and train the model (ie, estimate the model's underlying probability 
    # distribution from the training corpus) 
    def __init__(self, corpus): 
     print("""Your task is to implement three kinds of n-gram language models: 


    #enddef 

    # Generate a sentence by drawing words according to the 
    # model's probability distribution 
    # Note: think about how to set the length of the sentence 
    # in a principled way 
    def generateSentence(self): 
     print("Implement the generateSentence method in each subclass") 
     return "mary had a little lamb ." 
    #emddef 

这里是子类

class UnigramModel(LanguageModel): 
    def __init__(self, corpus): 
     print("Subtask: implement the unsmoothed unigram language model") 
    #endddef 

    def generateSentence(self): 
     # Gets the total number of words in the corpus 
     wordCount = 0 
     for sentence in self.corpus: 
      for word in sentence: 
       wordCount += 1 
     print(wordCount) 

我第一次尝试做上述获得在语料库中的总单词计数，但它给了我一个错误当我尝试调用该函数时，说“UnigramModel”对象没有属性'语料库'

Answer 1

您必须声明如上所述的语料库，或者您可以使用getter-setter方法私人属性的ods。

DEF 初始化（个体，胼）： self.corpus =语料库 @property DEF语料库（个体）： 返回自.__语料库 @Setter DEF语料库（个体，值）： 自我.__语料库=值