Python写的圆柱体体积代码

r = (float(input ))
h = (float(input ))
pi = 3.1415
area = r * r * pi
volume = area * h
print(str.format)
我写的这个为什么不行啊
谢谢大佬们了
急求Python写的圆柱体体积

r = float(input())
h = float(input())
pi = 3.1415
area = r * r * pi
volume = area * h
print(area,volume)