#pingfanggonglihegongqinghuhuang.py
area=input("请输入带有单位的面积值:")
if area[-1] in["平","方","公","里"]:
    GQ=(eval(area[0:-4]))*100
    print("转换后的面积值是:{:.2f}公顷".format(GQ))
elif area[-1] in ["公","顷"]:
    GL=(eval(area[0:-2]))/100
    print("转换后的面积值是:{:.2f}平方公里".format(GL))
else:
    print("输入格式错误")