diff --git a/leetcode/1.py b/leetcode/1.py
index f8bf37a..b646c56 100644
--- a/leetcode/1.py
+++ b/leetcode/1.py
@@ -5,7 +5,7 @@
 class Solution:
     def twoSum(self, nums: list[int], target: int) -> list[int]:
         answer = []
-        for i in range(len(nums) // 2 + 1):
+        for i in range(len(nums)):
             another = target - nums[i]
 
             # both number in the list
@@ -22,9 +22,6 @@ class Solution:
                         continue
                 answer.append(i)
                 answer.append(nums.index(another))
-                print(nums)
-                print(another)
-                print(nums.index(another))
                 return answer
 
         return answer
@@ -34,3 +31,8 @@ test = [3, 2, 4]
 TARGET_NUMBER = 6
 a = Solution().twoSum(test, TARGET_NUMBER)
 print(a)
+
+test2 = [i for i in range(1, 10001)]
+TARGET_NUMBER = 19999
+print(test2[9998], test2[9999])
+print(Solution().twoSum(test2, TARGET_NUMBER))