class Circle: |
radius = 0 |
def __init__( self ,r): |
self .radius = r |
def get__perimeter( self ): |
perimeter = 2 * 3 * self .radius |
return perimeter |
def get__area( self ): |
area = 3.14 * self .radius * self .radius |
return area |
a = float ( input ( "请输入圆的半径:" )) |
circle = Circle(a) |
pef = circle.get__perimeter() |
area = circle.get__area() |
print (f "圆的周长为:{pef:.2f}" ) |
print (f "圆的面积为:{area:.2f}" ) |
初级程序员
by: 云代码会员 发表于:2021-11-12 12:43:07 顶(0) | 踩(0) 回复
hlihlkhlk
回复评论