有了函数,我们就不再每次写s = 3.14 * x * x,而是写成更有意义的函数调用 s = area_of_circle(x),而函数 area_of_circle 本身只需要写一次,就可以多次调用。 抽象是数学中非常常见的概念。举个例子: 计算数列的和,比如:1 + 2 + 3 + ... + 100,写起来十分不方便,于是数学家发明了求和符号∑,可...
提示 在代码清单3-2中,第1～3行是CalCircleArea函数的定义,其只有一个参数r,表示要计算面积的圆的半径。第4～6行是CalRectArea函数的定义,其有两个参数a和b(多个形参需要用逗号分隔),表示要计算面积的长方形的两个边长。
Circumference of Circle, C = 2πr = 23.143.142 = 12.56 unitsStep 3:Area of Circle, A = πr2 = 3.143.142222 = 12.56 square unitsPrint Page Previous Next AdvertisementsTOP TUTORIALS Python Tutorial Java Tutorial C++ Tutorial C Programming Tutorial C# Tutorial PHP Tutorial R Tutorial HTML ...
In order to find out the area of a circle in Python, you have to know the radius of the circle. The formula for determining the area of a circle isA=πr². In case you have the diameter of the circle, the formulaA=1/4πd2has to be used. There is another formula with circumfe...
Python Code:# Import the 'pi' constant from the 'math' module to calculate the area of a circle from math import pi # Prompt the user to input the radius of the circle r = float(input("Input the radius of the circle : ")) # Calculate the area of the circle using the formula: ...
请简述Python中的继承机制。设计一个Circle(圆)类,该类中包括属性radius(半径),还包括___()、get___area()(求面积)共方法。设计完成后,创建Circle类的对象求周长和面积的功能。相关知识点: 试题来源: 解析 init#perimeter()(求周长)和get 反馈 收藏 ...
(self,radius):self.radius=radius# Calculate and return the area of the circle using the formula: π * r^2defcalculate_circle_area(self):returnmath.pi*self.radius**2# Calculate and return the perimeter (circumference) of the circle using the formula: 2π * rdefcalculate_circle_perimeter(...
Input: Radius: 3 Output: Area of circle: 28.259999999999998 Kotlin - Find area of circle Tofind the area of the circle, we use the formula:π r2. Here, πstands forPIwhich is a mathematical constant and it's value of 3.14, it defined as the ratio of a circle’s circumference to its...
For python the code is: import math r = float(input()) print(math.pi*math.pow(r,2)) 15th Jan 2020, 5:31 AM Abdol Hashimi 0 couldnt understan. can you clear ly explan plz 15th Jan 2020, 5:33 AM mirshath 0 mirshath the formula for circle's are is Area = pi*radius*radius...
getcircleArea函数求圆的面积python 定义函数getCircleArea(r),可以对指定r计算圆面积。计算公式math库的pi*r*r。 定义函数get_rList(n),功能:输入n个值放入列表并将列表return。 输入n,调用get_rList(n)获得列表rList。 遍历rList,对每个元素调用getCircleArea,并按格式输出。 注意:需导入程序中所需要的库,...