day17 物件導向作業

定義乙個矩形類，擁有屬性：長、寬 擁有方法：求周長、求面積

class

orthogon
:def
__init__
(self,
long=0
, wide=0)
: self.
long
=long
self.wide = wide
defperimeter
(self)
:print
('周長:'
,(self.
long
+ self.wide)*2
)def
area
(self)
:print
('面積:'
, self.
long
* self.wide)
o1 = orthogon(3,
4)o1.perimeter(
)# 周長: 14
o1.area(
)# 面積: 12

class

coordinates
:def
__init__
(self, x=
0, y=0)
: self.x = x
self.y = y
defprint_coordinates
(self)
:print
("x : "
, self.x,
", y: "
, self.y)
defdistance
(self, other)
:print
('我和你的距離只有：',(
(other.x-self.x)**2
+(other.y-self.y)**2
)**0.5)
p1 = coordinates(23,
32)p2 = coordinates(26,
36)p1.print_coordinates(
)# x : 0 , y: 0
p2.print_coordinates(
)# x : 23 , y: 32
p1.distance(p2)
# 我和你的距離只有： 5.0

import math

class
circle
:def
__init__
(self, x, y, r)
: self.x = x
self.y = y
self.r = r
defperimeter
(self)
:print
('周長:',2
*self.r*math.pi)
defarea
(self)
:print
('面積:'
, self.r**
2*math.pi)
defjudge_circumscribed
(self, other):if
((other.x-self.x)**2
+(other.y-self.y)**2
)**0.5== self.r + other.r:
print
('外切'
)else
:print
('不外切'
)c1 = circle(4,
5,3)
c1.perimeter(
)# 周長: 18.84955592153876
c1.area(
)# 面積: 28.274333882308138
c2 = circle(7,
9,2)
c1.judge_circumscribed(c2)
# 外切

class

segment
:def
__init__
(self, x1, y1, x2, y2)
: self.x1 = x1
self.y1 = y1
self.x2 = x2
self.y2 = y2
defobtain_length
(self)
:print
('線段長度:',(
(self.x2-self.x1)**2
+(self.y2-self.y1)**2
)**0.5)
s1 = segment(1,
3,7,
11)s1.obtain_length(
)# 線段長度: 10.0

狗擁有屬性：姓名、性別和品種 擁有方法：叫喚

人類擁有屬性：姓名、年齡、狗 擁有方法：遛狗

class

dog:
def__init__
(self, name, age, color)
: self.name = name
self.age = age
self.color = color
defbark
(self)
:print
(f'在嚶嚶嚶！'
)class
person
:def
__init__
(self, name, age, dog=
none):
self.name = name
self.age = age
self.dog = dog
defwalk_dog
(self)
:if self.dog:
print
(f'帶著要飯!'
)else
:print
(f'沒有狗和去要飯！'
)d1 = dog(
'來福',2
,'黃色'
)d1.bark(
)# 來福在嚶嚶嚶！
p1 = person(
'常威',20
, d1)
p1.walk_dog(
)# 常威帶著來福要飯!
p2 = person(
'常威',20
)p2.walk_dog(
)# 沒有狗和常威去要飯！

Day17物件導向作業

定義乙個矩形類，擁有屬性 長 寬 擁有方法 求周長 求面積 class rectangle def init self,length,width self.length length self.width width defperimeter self return self.length self...

day17 物件導向作業

定義乙個矩形類，擁有屬性 長 寬 擁有方法 求周長 求面積 class rectangle def init self,length,width self.length length self.width width defperimeter self return self.length 2 se...

day17 物件導向作業

定義乙個矩形類，擁有屬性 長 寬 擁有方法 求周長 求面積 class rectangular def init self,x,y self.long x self.width y defcalculate self l self.long self.width 2 s self.long self...