114-2 26/05/28 python 課程

class Circle:
    def __init__(self,radius): #初始化
        self.radius=radius
    def GetArea(self):
        return m.pi*self.radius**2
    def GetPerimeter(self):
        return m.pi*self.radius*2
class student:
    def __init__(self,name,height,weight): #初始化
        self.name=name
        self.height=height
        self.weight=weight
    def GetName(self):
        return self.name
    def GetHeight(self):
        return self.height
    def GetWeight(self):
        return self.weight
    def GetBMI(self):
        BMI = self.weight/(self.height/100)**2
        return BMI
class stack:
    def __init__(self):
        self.S=[]
    def isEmpty(self):
        return self.S==[]
    def push(self,key):
        self.S.append(key)
    def pop(self):
        if self.isEmpty():
            print("Underflow")
            return None
        else:
            return self.S.pop()
    def display(self):
        print("Stack: ",self.S,end= "")
circle1=Circle(5)
circle2=Circle(10)
print("第1個圓:" + "圓面積 =",circle1.GetArea(),"圓周長 =",circle1.GetPerimeter())
print("第2個圓:" + "圓面積 =",circle2.GetArea(),"圓周長 =",circle2.GetPerimeter())
student1 = student("張小明", 170, 70)
student2 = student("王小花", 160, 50)
print("姓名:",student1.GetName(),"身高:",student1.GetHeight(),"體重:",student1.GetWeight(),"BMI:",student1.GetBMI())
print("姓名:",student2.GetName(),"身高:",student2.GetHeight(),"體重:",student2.GetWeight(),"BMI:",student2.GetBMI())
S = stack()
S.push(1),S.push(2),S.push(3),S.pop()
S.display()