题解 | #牛的品种排序II#

#
# 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
#
# 
# @param cows int整型一维数组 
# @return int整型一维数组
#
class Solution:
    def sortCows(self , cows: List[int]) -> List[int]:
        # write code here
        a,b,c= [],[],[]
        for i in cows:
            if i == 0:
                a.append(i)
            if i == 1:
                b.append(i)
            if i == 2:
                c.append(i)
        return a+b+c