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=
0, wide=0)
:        self.length = length
self.wide = wide
defperimeter
(self)
:return
(self.length+self.wide)*2
defacreage
(self)
:return self.length*self.wide
r1 = rectangle(4,
5)print
(r1.perimeter(
), r1.acreage(
))

class

piont
:def
__init__
(self, x=
0, y=0)
:        self.x = x
self.y = y
defp_to_p_length
(self, point)
:return
((self.x-point.x)**2
+(self.y-point.y)**2
)**0.5p1 = piont(2,
5)p2 = piont(-1
,1)print
(p1.p_to_p_length(p2)
)

import math

class
point
:def
__init__
(self, x=
0, y=0)
:        self.x = x
self.y = y
defp_to_p_length
(self, point)
:return
((self.x-point.x)**2
+(self.y-point.y)**2
)**0.5class
circle
:def
__init__
(self, radius=
0, center=point(0,
0)):
self.radius = radius
self.center = center
defperimeter
(self)
:return
2*math.pi*self.radius
defacreage
(self)
:return self.radius**
2*math.pi
defexterior_contact
(self, another)
:return self.radius+another.radius == self.center.p_to_p_length(another.center)
c1 = circle(
1, point(0,
0))c2 = circle(
4, point(3,
4))print
(c1.perimeter(
), c1.acreage(
), c1.exterior_contact(c2)
)

class

point
:def
__init__
(self, x=
0, y=0)
:        self.x = x
self.y = y
defp_to_p_length
(self, point)
:return
((self.x-point.x)**2
+(self.y-point.y)**2
)**0.5class
line
:def
__init__
(self, start: point, end: point)
:        self.start = start
self.end = end
deflength
(self)
:return self.start.p_to_p_length(self.end)
l1 = line(point(0,
0), point(3,
4))print
(l1.length(
))

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

human
:def
__init__
(self, name:
str, age:
int, dog=
none):
self.name = name
self.age = age
self.dog = dog
defwalk_the_dog
(self)
:if self.dog:
return f'遛品種的'
class
dog:
def__init__
(self, name:
str, gender:
str, breed:
str)
:        self.name = name
self.gender = gender
self.breed = breed
defcall_out
(self)
:return f'叫喚'
dog1 = dog(
'阿黃'
,'雌'
,'瘋狗'
)person1 = human(
'黃哥',18
, dog1)
print
(dog1.call_out(
), person1.walk_the_dog(
))

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...