Update 1015._Numbers_With_1_Repeated_Digit.md

docs/Leetcode_Solutions/Python/1015._Numbers_With_1_Repeated_Digit.md

@@ -72,7 +72,6 @@ class Solution:
         return N - res
 ```
 
-```
 For anyone who doesn't understand the function `def A()`, you can see the iterative version of it below.
 ```python
         def A(m, n):
@@ -85,7 +84,7 @@ For anyone who doesn't understand the function `def A()`, you can see the iterat
 It means the `permutation` of `m * (m-1) * ... * (m-(n-1))`.
 
 And for why use `9*A(9,i-1)` instead of `A(9,i)`, that's because there should be no leading `0`, but the following digit can be `0`.
-```
+
 
 ***将函数A重命名为permu***