三角形

def is_primitive(data):
    return  isinstance(data,(int,float))

def sanjia(a,b,c):
    try:

        if is_primitive(a) and is_primitive(b) and is_primitive(c) and a>0 and b>0 and c>0:
            if a +b > c and a+c>b and b+c>a:
                if a == b == c:
                    print("{} {} {} 这是等边三角形".format(a,b,c))

                elif a ==b and b != c:
                    print("{} {} {} 这是等腰三角形".format(a,b,c))
                elif a ==c and b != c:
                    print("{} {} {} 这是等腰三角形".format(a,b,c))
                elif b ==c and a != c:
                    print("{} {} {} 这是等腰三角形".format(a, b, c))

                else:
                   print("{} {} {}这格三角形的三条变不等".format(a,b,c))

            else:
                print("{}{}{}这三个数字不能组成三角形".format(a,b,c))
        else:
            print("输入有误")

    except TypeError:
        print("输入的数据错误")



if __name__ == "__main__":

    den = sanjia(1, 3, 3)