基于python的简易动物识别算法（知识工程）

#十个特征，4类动物

animal = ['鸡','鸭','鱼','狗']

dict_feature = {'1':'有羽毛','2':'不会飞','3':'会下蛋',
		'4':'吃肉','5':'有犬齿','6':'有爪',
                '7':'有鱼鳞','8':'会游泳','9':'有鳃',
                '10':'跑得快'} 

dog_fea = ['吃肉','有犬齿','跑得快']
fish_fea = ['有鱼鳞','会游泳','有鳃']
yazi_fea = ['有羽毛','有爪','会游泳']
chick_fea = ['有羽毛','有爪','会下蛋']

fea = []
now_feature = []

print('**********************************')
print('*********ALL FEATURE HERE*********')
print('**********************************')
print(dict_feature)
print('**********************************')
print('*********ALL CLASSIAL HERE********')
print('**********************************')
print('狗:{},鱼:{},鸭:{},鸡:{}'.format(dog_fea,fish_fea,yazi_fea,chick_fea))
print('**********************************')
print('*********请输入3个特征:***********')
print('**********************************')

curr = 1

while curr:
    now_feature = []
    fea = []
    for i in range(0,3):
        feature = input('请依次输入3个特征的数字序号：（输入"exit()"可以退出）')
        if feature == 'exit()':
            curr = 0
            break
        fea.append(feature)
        now_feature.append(dict_feature[fea[i]])
        print(now_feature[i])

    if curr == 0:
        break

    print('您输入的特征是：{}'.format(now_feature))
    a = 0
    b = 0
    c = 0
    d = 0
    flag = 0

    for i in range(0,3):
        if now_feature[i] in dog_fea:
       #print(now_feature[i]
            a = a+1
            if a > 2:
                print('是狗')
                a = 0
                flag =1
        if now_feature[i] in fish_fea:
       #print(now_feature[i])
            b = b+1
            if b > 2:
                print('是鱼')
                b = 0
                flag =1
        if now_feature[i] in yazi_fea:
       #print(now_feature[i])
            c = c+1
            if c > 2:
                print('是鸭')
                c = 0
                flag =1
        if now_feature[i] in chick_fea:
       #print(now_feature[i])
            d = d+1
            if d > 2:
                print('是鸡')
                d = 0 
                flag =1
    if flag==0:
        print('无法准确判断')
        if a > 1:
            print('狗的概率为66%')
        if b > 1:
            print('鱼的概率为66%')
        if c > 1:
            print('鸭的概率为66%')
        if d > 1:
            print('鸡的概率为66%')