From 8211b5933db35429ff3fbd1c865b0eabaecb6862 Mon Sep 17 00:00:00 2001
From: Fazeel Usmani <fazeelusmani18@gmail.com>
Date: Thu, 18 Nov 2021 20:33:34 +0530
Subject: [PATCH] Create 18_findAllNos.py

---
 .../18_findAllNos.py                                | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 11 November Leetcode Challenge 2021/18_findAllNos.py

diff --git a/11 November Leetcode Challenge 2021/18_findAllNos.py b/11 November Leetcode Challenge 2021/18_findAllNos.py
new file mode 100644
index 0000000..02d6011
--- /dev/null
+++ b/11 November Leetcode Challenge 2021/18_findAllNos.py	
@@ -0,0 +1,13 @@
+class Solution:
+    def findDisappearedNumbers(self, nums: List[int]) -> List[int]:
+        
+        ans = []
+        n = len(nums)        
+        x = set(nums)
+        
+        for i in range(1, n+1, 1):
+            if (i not in x):
+                ans.append(i)
+                
+        return ans
+