leetcode -. 240 two-dimensional matrix search

class Solution:
    def searchMatrix(self, matrix, target):
        """
        :type matrix: List[List[int]]
        :type target: int
        :rtype: bool
        """
        #print(len(matrix))#行数
        #print(matrix[0])
        #print(len(matrix[0]))#列数
        
        for i in range(len(matrix)):
            #print(matrix[i])
            if target in matrix[i]:
                return True
            else:
                i+=1
        else:
            return False

When execution: 48 ms, beat the 96.07% of users in all Python3 submission

Memory consumption: 18.4 MB, beat the 5.18% of users in all Python3 submission

 

                                                                            ——2019.9.29