style: format python code in markdown files (#1040)

Author: yanglbme

Pipfile

@@ -56,13 +56,15 @@ p[find(a)] = find(b)
 p = list(range(n))
 size = [1] * n
 
+
 # 返回x的祖宗节点
 def find(x):
     if p[x] != x:
         # 路径压缩
         p[x] = find(p[x])
     return p[x]
 
+
 # 合并a和b所在的两个集合
 if find(a) != find(b):
     size[find(b)] += size[find(a)]
@@ -76,6 +78,7 @@ if find(a) != find(b):
 p = list(range(n))
 d = [0] * n
 
+
 # 返回x的祖宗节点
 def find(x):
     if p[x] != x:
@@ -84,6 +87,7 @@ def find(x):
         p[x] = t
     return p[x]
 
+
 # 合并a和b所在的两个集合
 p[find(a)] = find(b)
 d[find(a)] = distance

Pipfile.lock

@@ -59,6 +59,7 @@ class Solution:
 #         self.val = x
 #         self.next = None
 
+
 class Solution:
     def reversePrint(self, head: ListNode) -> List[int]:
         if head is None:

lcci/16.19.Pond Sizes/README.md

@@ -66,6 +66,7 @@ class Solution:
 #         self.val = x
 #         self.next = None
 
+
 class Solution:
     def reverseList(self, head: ListNode) -> ListNode:
         if head is None or head.next is None:

lcof/面试题06. 从尾到头打印链表/README.md

@@ -72,6 +72,7 @@ class Solution:
 #         self.val = x
 #         self.next = None
 
+
 class Solution:
     def mergeTwoLists(self, l1: ListNode, l2: ListNode) -> ListNode:
         if l1 is None or l2 is None:

lcof/面试题24. 反转链表/README.md

@@ -74,6 +74,7 @@ class Solution:
 #         self.left = None
 #         self.right = None
 
+
 class Solution:
     def mirrorTree(self, root: TreeNode) -> TreeNode:
         if root is None:

lcof/面试题25. 合并两个排序的链表/README.md

@@ -94,6 +94,7 @@ class BinaryIndexedTree:
             x -= x & -x
         return s
 
+
 class Solution:
     def reversePairs(self, nums: List[int]) -> int:
         alls = sorted(set(nums))

lcof/面试题27. 二叉树的镜像/README.md

@@ -62,6 +62,7 @@ class Solution:
 #         self.left = None
 #         self.right = None
 
+
 class Solution:
     def maxDepth(self, root: TreeNode) -> int:
         def dfs(root):

lcof/面试题51. 数组中的逆序对/README.md

@@ -84,8 +84,11 @@ class Solution:
 #         self.left = None
 #         self.right = None
 
+
 class Solution:
-    def lowestCommonAncestor(self, root: 'TreeNode', p: 'TreeNode', q: 'TreeNode') -> 'TreeNode':
+    def lowestCommonAncestor(
+        self, root: 'TreeNode', p: 'TreeNode', q: 'TreeNode'
+    ) -> 'TreeNode':
         if root.val < p.val and root.val < q.val:
             return self.lowestCommonAncestor(root.right, p, q)
         if root.val > p.val and root.val > q.val: