• 偶遇递归树


    递归树

    st = "aaa-kkk-(bbbb#llll-ewwww#ccc-hhhh#yyyy-(ddd-ggg#eee))"
    
    class AAAA:
        def str_dict(self,data):
            # 数据处理
            data_dict = {}
            if type(data) == str:
                data_dict['ddt'] = data
                return data_dict
            else:
                data_list = []
                for i in data:
                    data_dict['ddt'] =i
                    data_list.append(data_dict)
                    data_dict={}
                return data_list
        def fenge(self, lis1, l):
            # 递归树的深层递归方法
            print(lis1)
            in1 = lis1.index("#")
            in2 = lis1.index("(")
            if in1 < in2:
                lis2 = lis1.split("#", 1)
                if "-" in lis2[0]:
                    lis3 = lis2[0].split("-")
                    dd = self.str_dict(lis3)
                    l.append(dd)
                else:
                    dd = self.str_dict([lis2[0]])
                    l.append(dd)
    
                self.fenge(lis2[1], l)
            else:
                l.append(self.dd(lis1, []))
    
        def dd(self, st, l):
            # 平层次递归方法
            if "(" not in st:
                if "#" not in st:
                    lis3 = st.split("-")
                    return lis3
                else:
                    liswww = st.split("#")
                    for item in liswww:
                        dd = self.str_dict(item.split('-'))
                        l.append(dd)
            else:
                lis = st.split("(", 1)
                #  lis= "bbbb-sss#ccc-hhhh#kkk-(ddd-ggg#eee))"
                ll = self.str_dict(item for item in lis[0].split("-"))
                for i in ll:
    
                    l.append(i)
                print(lis)
                if '#' in lis[1]:
                    if "(" in lis[1]:
                        self.fenge(lis[1], l)
                    else:
                        liswww = lis[1].split("#")
                        for item in liswww:
                            dd = self.str_dict(item.split('-'))
                            l.append(dd)
                else:
                    l.append(lis[1].split("-"))
                return l
    
    
    a = AAAA()
    d = a.dd(st, [])
    print(d)
    
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  • 原文地址:https://www.cnblogs.com/mqhpy/p/13365938.html
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