Write a method Sanjiao (a, B, c) to judge whether the three parameters can form a triangle. If not, throw an exception illegalargumentexception and display the exception information a, B, C "cannot fo

1、 Write a method sanjiao(a, b, c), Judge whether the three parameters can form a triangle , If not, throw an exception IllegalArgumentException, Display exception information a,b,c” Can't make a triangle ”, If it can be formed, the three sides of the triangle are displayed , Get the three integers entered on the command line in the method , Call this method , And catch the exception .

class SanJiao:
    def sanjiao(self,a, b, c):
        try:
            if a + b > c and a + c > b and b + c > a:
                print(' The three sides of the triangle are ：{}、{}、{}'.format(a, b, c))
            else:
                raise Exception('IllegalArgumentException!')
        except Exception as error:
            print('Error:',error,'a,b,c” Can't make a triangle ”')
a = SanJiao()
print(' Case one ：')
a.sanjiao(1, 2, 3)
print()
print(' The second case ：')
a.sanjiao(3, 4, 5)