ut the radius1
Traceback (most recent call last):
File "/data/user/0/coding.yu.pythoncompiler.new/files/default.py", line 5, in
area=math.pi(r**2)
TypeError: 'float' object is not callable
[Process completed (code 1) - press Enter]
这是怎么了
你的代码pi和r之间少了乘号*
import math
r = float(input("请输入半径："))
area = math.pi * r ** 2
print(area)