Update 0198.打家劫舍.md

增加python - 二维dp数组写法

problems/0198.打家劫舍.md

@@ -150,7 +150,17 @@ class Solution:
             dp[i] = max(dp[i-2]+nums[i], dp[i-1])
         return dp[-1]
 ```
-
+```python
+class Solution: # 二维dp数组写法
+    def rob(self, nums: List[int]) -> int:
+        dp = [[0,0] for _ in range(len(nums))]
+        dp[0][1] = nums[0]
+        for i in range(1,len(nums)):
+            dp[i][0] = max(dp[i-1][1],dp[i-1][0])
+            dp[i][1] = dp[i-1][0]+nums[i]
+        print(dp)            
+        return max(dp[-1])
+```
 Go：
 ```Go
 func rob(nums []int) int {