添加了python代码（数组篇）

为数组篇文件夹下的代码增加了python语言版本

animation-simulation/数组篇/长度最小的子数组.md

@@ -82,3 +82,27 @@ public:
 };
 ```
 
+Python3 Code:
+
+```python 
+from typing import List
+import sys
+class Solution:
+    def minSubArrayLen(self, s: int, nums: List[int])->int:
+        leng = len(nums)
+        windowlen = sys.maxsize
+        i = 0
+        sum = 0
+        for j in range(0, leng):
+            sum += nums[j]
+            while sum >= s:
+                windowlen = min(windowlen, j - i + 1)
+                sum -= nums[i]
+                i += 1
+            
+        if windowlen == sys.maxsize:
+            return 0
+        else:
+            return windowlen
+```
+