二维数组的查找

# -*- coding:utf-8 -*-
"""用row和col两参数逐行或逐列遍历数组"""
class Solution:
    # array 二维列表
    def Find(self, target, array):  
        # write code here
        rows = len(array)#首先确定数组的维度
        cols = len(array[0])
        row=0    
        col = cols-1   
        while row < rows and col>=0:
            if target == array[row][col]: #若找到了直接return结束程序
                return True
            elif target <= array[row][col]:
                col -= 1
            else:
                row += 1
        return False