# print("输入半径:\n")
# a = int(input("输入的半径是："))
# print("圆的面积为:",(a**2)*3.14)
# TODO alsdjflasdflkjas
0214d5a0ea99b52f50abb7f12ed47b2bec30417d
# print("输入半径:\n")
# a = int(input("输入的半径是："))
# print("圆的面积为:",(a**2)*3.14)
# TODO alsdjflasdflkjas