class Jiaju: def __init__(self, jiaju): self.jiaju = jiaju def jiaju1(self): print(self.jiaju) return self.jiaju class Fangzi(Jiaju): def __init__(self, fuxing, zongmianji): self.fuxing = fuxing self.zongmianji = zongmianji def jisuan(self): print(self.fuxing,self.zongmianji) print(self.jiaju) def __str__(self): return f'户型：{self.fuxing}\t总面积：{self.zongmianji}\t剩余面积：{(self.zongmianji) - (sum((self.jiaju).values()))}\t家具名称列表:{self.jiaju}' jiaju = {'床': 4, '衣柜': 2, '餐桌': 1.5} 家具 = Jiaju(jiaju) 家具.jiaju1() 房子 = Fangzi('三室一厅', 120) print(房子.jisuan()) #报错 AttributeError: 'Fangzi' object has no attribute 'jiaju'. Did you mean: 'jiaju1'? {'床': 4, '衣柜': 2, '餐桌': 1.5} 三室一厅 120

优化代码class DeliveryRequest: def init(self, name, location, time): self.name = name self.location = location self.time = time class DeliveryStation: def init(self, location): self.location = location self.requests = [] def add_request(self, request): self.requests.append(request) def match_deliveryman(self, deliverymen): for request in self.requests: for deliveryman in deliverymen: if request.location == deliveryman.location and request.time == deliveryman.available_time: print(f"您有一个快递将送给{request.name}，请您按时送货") print(f"您的快递将由{deliveryman.name}在{request.time}送达，请您按时等候") deliverymen.remove(deliveryman) break class DeliveryMan: def init(self, name, location, available_time): self.name = name self.location = location self.available_time = available_time class Dispatcher: def init(self, delivery_stations, deliverymen): self.delivery_stations = delivery_stations self.deliverymen = deliverymen def dispatch(self): for station in self.delivery_stations: station.match_deliveryman(self.deliverymen)

def __init__(self, name, location, time): self.name = name self.location = location self.time = time class DeliveryStation: def __init__(self, location): self.location = location self.requests...

class Jiaju: def int(self): self.type='美式复古风' self.jiajuarea=0 def str(self): return f'家具为：{self.type},家具面积是：{self.jiajuarea}' class Home: def init(self, address, area): self.address = address self.area = area self.free_area = area def str(self): return f"房子在:{self.address},面积为:{self.area},剩余空间是:{self.free_area}"解释一下代码意思

def __init__(self): self.type = '美式复古风' self.jiajuarea = 0 def __str__(self): return f'家具为：{self.type}，家具面积是：{self.jiajuarea}' class Home: def __init__(self, address, area): ...

class Point: def init(self, x, y): self.x = x self.y = y def add(self, other): x = self.x + other.x y = self.y + other.y return Point(x, y) def sub(self, other): x = self.x - other.x y = self.y - other.y return Point(x, y) def mul(self, a): x = self.x * a y = self.y * a return Point(x, y) def truediv(self, a): x = self.x / a y = self.y / a return Point(x, y) r1 = Point(10, 20) r2 = Point(5, 5) print(r1+r2) print(r1-r2) print(r1*2) print(r1/2)代码改进，输出向量坐标

def __init__(self, x, y): self.__x = x self.__y = y def __add__(self, other): x = self.__x + other.__x y = self.__y + other.__y return Point(x, y) def __sub__(self, other): x = self.__x -...

class Person: def init(self, name, age): self.name = name self.age = age

def introduce(self): print(f"My name is {self.name} and I am {self.age} years old.") class Student(Person): def __init__(self, name, age, major): super().__init__(name, age) self.major = major ...

class Demo： definit(self,value): self.value = value t = Demo(5) print(t.value)

def __init__(self, value): self.__value = value def get_value(self): return self.__value t = Demo(5) print(t.get_value()) 这样就可以通过 get_value() 方法来获取私有变量 __value 的值了。

class Person: def init(self, name, age=0): self._name = name self._age = age @property def name(self): return self._name @name.setter def name(self, value): self._name = value @property def age(self): return self._age @age.setter def age(self, value): self._age = value

def __init__(self, name, age=0): self._name = name self._age = age @property def name(self): return self._name @name.setter def name(self, value): self._name = value @property def age...

from objprint import op class Animal: def init(self,age): self.age = age class Person(Animal): def init(self, age,name): super().init(age) self.name = name class Male(Person): def init(self, age, name): super(Person,self).init(age) self.gender = "male" m = Male(32,"Peter") super(Male,m).init(32,"Peter") op(m)

def __init__(self, age): self.age = age class Person(Animal): def __init__(self, age, name): super().__init__(age) self.name = name class Male(Person): def __init__(self, age, name): super()....

完善代码：import math class Triangle: def init(self, a, b, c): self.a = a self.b = b self.__c = c def get_area(self): h = (self.a+self.b+self.c)/2 s = math.sqrt(h(h-self.a)(h-self.b)*(h-self.c)) print(f'三角形的面积：{s}') tri = Triangle(3, 4, 5)

def __init__(self, a, b, c): self.__a = a self.__b = b self.__c = c def get_area(self): h = (self.__a+self.__b+self.__c)/2 s = math.sqrt(h*(h-self.__a)*(h-self.__b)*(h-self.__c)) print(f'...

写出下列程序的运行结果：class A: sefinit(self,i=1): self.i=i class B(A): definit(self,j=2): super().init() self.j=j def main(): b=B() print(b.i,b.j) main()

def __init__(self, i=1): self.i = i class B(A): def __init__(self, j=2): super().__init__() self.j = j def main(): b = B() print(b.i, b.j) main() 程序的运行结果是： 1 2 这是...

class Queue: def init(self, limit=10): self.data = [None] * limit self.head = -1 self.tail = -1

def dequeue(self): if self.is_empty(): raise ValueError("Queue is empty") value = self.data[self.head] if self.head == self.tail: self.head = -1 self.tail = -1 else: self.head = (self.head + 1) % len...

class Line: def init(self, P, V): self.P = P.cloneO self.V = V.cloneO.normalizedO def str(self): pass给我补充完整

def __init__(self, x, y): self.x = x self.y = y def cloneO(self): return Vector(self.x, self.y) def normalizedO(self): magnitude = (self.x ** 2 + self.y ** 2) ** 0.5 return Vector(self.x / ...

以下程序的错误在哪里？class Person: def init(self,n="xxx"): self.name=n class Student(Person): def init(self,s="male"): self.sex=s def show(self): print(self.name,self.sex) s=Student("female") s.show()

def __init__(self, n="xxx"): self.name = n class Student(Person): def __init__(self, s="male", n="xxx"): super().__init__(n) self.sex = s def show(self): print(self.name, self.sex) s = ...

class Cylinder: def init(self, radius, height): self.radius = radius self.height = height self.base_area = math.pi * radius**2

def __init__(self, radius, height): self.radius = radius self.height = height def base_area(self): return math.pi * self.radius**2 def volume(self): return self.base_area() * self.height ...

class A: def init(self, i=1): self.i = i class B(A): def init(self, j=2): super().init() self.j = j def main(): b = B() print(b.i, b.j)

这是一个简单的 Python 代码，包含两个类 A 和 B。类 B 继承自类 A，并添加了一个新的实例变量 j。在类 B 的构造方法中，调用了 super() 函数...由于类 A 的构造方法默认将实例变量 i 初始化为 1，因此打印结果为 1 2。

改写代码风格并保持变量名不变class LinkedList: class Node: def init(self, val, prior=None, next=None): self.val = val self.prior = prior self.next = next def init(self): self.head = LinkedList.Node(None) # sentinel node (never to be removed) self.head.prior = self.head.next = self.head # set up "circular" topology self.length = 0

def __init__(self, val, prior=None, next=None): self.val = val self.prior = prior self.next = next def __init__(self): self.head = LinkedList.Node(None) # Sentinel node (never to be removed) ...

在图的邻接表存储结构下（基于顶点列表和单链表实现），本题要求图类里实现2个方法函数 def addVertex(self, vex_val): def addEdge(self, f, t, cost=0): 函数接口定义：在这里描述函数接口。例如： def addVertex(self, vex_val): def addEdge(self, f, t, cost=0): 在这里解释接口参数。例如：其中 f和t分别是构成边的顶点在列表中的序号。裁判测试程序样例：在这里给出函数被调用进行测试的例子。例如： class arcnode: def init(self,adjvex,weight,link=None): self.adjvex = adjvex self.weight = weight self.link=link class vexnode: def init(self,data,first_arc=None): self.data = data self.first_arc = first_arc class Graph: def init(self): self.vex_list=[] self.vex_num=0 self.edge_num=0 # 请在这里填写答案 # 请在这里填写答案 def print_graph(self): for i in range(self.vex_num): print(self.vex_list[i].data,end="->") cur = self.vex_list[i].first_arc while cur: print("adj:{},weight:{}".format(cur.adjvex,cur.weight),end="->") cur = cur.link print('None') if name =="main": g = Graph() s =input() for vertex in s: g.addVertex(vertex) g.addEdge(0,1,11) g.addEdge(0,2,55) g.addEdge(2,3,88) g.addEdge(0,3,33) g.addEdge(1,2,44) g.print_graph()

def __init__(self, adjvex, weight, link=None): self.adjvex = adjvex self.weight = weight self.link = link class vexnode: def __init__(self, data, first_arc=None): self.data = data self.first_...

class date: def init(self,year,month,day): self.year=year self.month=month self.day=day def s(self): return str(self.year)+"年"+str(self.month)+"月"+str(self.day)+"日" class person: def init(self,name,birthdate): self.name=name self.birthdate=birthdate class student(person): def init(self,name,birthdateid,id,major): super().init(name,birthdate) self.id=id self.major=major def getstudentid(self): return id if name == "main": date1=date(2003,10,8) birthdate1=date1.s() person1=person("小王",birthdate1) date2=date(2004,11,11) person2=person("小李",birthdate1) student1=student("小李",birthdate1,210340119,"计算机") ，请修改以下代码

def __init__(self, year, month, day): self.year = year self.month = month self.day = day def __str__(self): return f"{self.year}年{self.month}月{self.day}日" class Person: def __init__(self,...

相关推荐

Python RuntimeError: thread.__init__() not called解决方法

python基础进阶1.6：面向对象之类，对象及__init__()，self相关用法讲解

python 中-self-标识符和self标识符.docx

class Person: def __init__(self, name, age): self.name = name self.age = age

class Demo： def__init__(self,value): self.__value = value t = Demo(5) print(t.__value)

class Person: def __init__(self, name, age=0): self._name = name self._age = age @property def name(self): return self._name @name.setter def name(self, value): self._name = value @property def age(self): return self._age @age.setter def age(self, value): self._age = value

完善代码：import math class Triangle: def __init__(self, a, b, c): self.__a = a self.__b = b self.__c = c def get_area(self): h = (self.__a+self.__b+self.__c)/2 s = math.sqrt(h*(h-self.__a)*(h-self.__b)*(h-self.__c)) print(f'三角形的面积：{s}') tri = Triangle(3, 4, 5)

写出下列程序的运行结果：class A: sef__init__(self,i=1): self.i=i class B(A): def__init__(self,j=2): super().__init__() self.j=j def main(): b=B() print(b.i,b.j) main()

class Queue: def __init__(self, limit=10): self.data = [None] * limit self.head = -1 self.tail = -1

class Line: def __init__(self, P, V): self.P = P.cloneO self.V = V.cloneO.normalizedO def __str__(self): pass给我补充完整

以下程序的错误在哪里？class Person: def __init__(self,n="xxx"): self.name=n class Student(Person): def __init__(self,s="male"): self.sex=s def show(self): print(self.name,self.sex) s=Student("female") s.show()

class Cylinder: def __init__(self, radius, height): self.radius = radius self.height = height self.base_area = math.pi * radius**2

class A: def __init__(self, i=1): self.i = i class B(A): def __init__(self, j=2): super().__init__() self.j = j def main(): b = B() print(b.i, b.j)

最新推荐

Angular实现MarcHayek简历展示应用教程

管理建模和仿真的文件

深入剖析：内存溢出背后的原因、预防及应急策略（专家版）

Java中如何对年月日时分秒的日期字符串作如下处理：如何日期分钟介于两个相连的半点之间，就将分钟数调整为前半点

Crossbow Spot最新更新 - 获取Chrome扩展新闻

"互动学习：行动中的多样性与论文攻读经历"

【Java内存管理终极指南】：一次性解决内存溢出、泄漏和性能瓶颈

c 语言return用法

量子管道网络优化与Python实现

关系数据表示学习

Python RuntimeError: thread.init() not called解决方法

python基础进阶1.6：面向对象之类，对象及init()，self相关用法讲解

class Person: def init(self, name, age): self.name = name self.age = age

class Demo： definit(self,value): self.value = value t = Demo(5) print(t.value)

class Person: def init(self, name, age=0): self._name = name self._age = age @property def name(self): return self._name @name.setter def name(self, value): self._name = value @property def age(self): return self._age @age.setter def age(self, value): self._age = value

完善代码：import math class Triangle: def init(self, a, b, c): self.a = a self.b = b self.__c = c def get_area(self): h = (self.a+self.b+self.c)/2 s = math.sqrt(h(h-self.a)(h-self.b)*(h-self.c)) print(f'三角形的面积：{s}') tri = Triangle(3, 4, 5)

写出下列程序的运行结果：class A: sefinit(self,i=1): self.i=i class B(A): definit(self,j=2): super().init() self.j=j def main(): b=B() print(b.i,b.j) main()

class Queue: def init(self, limit=10): self.data = [None] * limit self.head = -1 self.tail = -1

class Line: def init(self, P, V): self.P = P.cloneO self.V = V.cloneO.normalizedO def str(self): pass给我补充完整

以下程序的错误在哪里？class Person: def init(self,n="xxx"): self.name=n class Student(Person): def init(self,s="male"): self.sex=s def show(self): print(self.name,self.sex) s=Student("female") s.show()

class Cylinder: def init(self, radius, height): self.radius = radius self.height = height self.base_area = math.pi * radius**2

class A: def init(self, i=1): self.i = i class B(A): def init(self, j=2): super().init() self.j = j def main(): b = B() print(b.i, b.j)