triangle

# -*-  coding:utf-8 -*-
# Author:zhang
class triangle(object):
    '''
    判断是否是三角形并判断出是什么三角形
    '''

    def __init__(self, x, y, z):
        '''定义三个边'''
        self.x = x
        self.y = y
        self.z = z

    def three(self):
        '''三角形判断'''
        if self.x <= 0 or self.y <= 0 or self.z <= 0:
            print "不是三角形"
        else:
            print "这三个数可能组成一个三角形"
            if (self.x + self.y) > self.z and (self.y + self.z) > self.x and (self.z + self.x) > self.y:
                print "这个真的是三角形呀"
                if self.x != self.y and self.x != self.z and self.y != self.z:
                    print("这个是不等边三角形")
                    if self.x ** 2 == self.y ** 2 + self.z ** 2 or self.y ** 2 == self.x ** 2 + self.z ** 2 or self.z ** 2 == self.x ** 2 + self.y ** 2:
                        print "这个是直角三角形"
                        if (self.x==self.y and self.x!=self.z) or (self.x==self.z and self.x!=self.y) or (self.z==self.y and self.x!=self.z):
                            print "等腰直角三角形"
                elif self.x == self.y or self.y == self.z or self.z == self.x:
                    print "这个可能是等边三角形也可能是等腰三角形"
                    if self.x == self.y == self.z:
                        print "这个是等边三角形"
            else:
                print "失败了，这个不是三角形"
if __name__ == '__main__':
    aa = triangle(0, 6, 6)
    aa.three()