feat: 108. 冗余连接新增python解法

Author: suinming

problems/kamacoder/0108.冗余连接.md

@@ -178,6 +178,45 @@ int main() {
 
 ### Python
 
+```python
+father = list()
+
+def find(u):
+    if u == father[u]:
+        return u
+    else:
+        father[u] = find(father[u])
+        return father[u]
+        
+def is_same(u, v):
+    u = find(u)
+    v = find(v)
+    return u == v
+    
+def join(u, v):
+    u = find(u)
+    v = find(v)
+    if u != v:
+        father[u] = v
+        
+if __name__ == "__main__":
+    # 輸入
+    n = int(input())
+    for i in range(n + 1):
+        father.append(i)
+    # 尋找冗余邊    
+    result = None
+    for i in range(n):
+        s, t = map(int, input().split())
+        if is_same(s, t):
+            result = str(s) + ' ' + str(t)
+        else:
+            join(s, t)
+        
+    # 輸出
+    print(result)
+```
+
 ### Go
 
 ### Rust