update 26

leetcode/26.py

@@ -5,12 +5,12 @@
 class Solution:
     def removeDuplicates(self, nums: list[int]) -> int:
         count = 0
-        tmp_num = -999
-        for number_index, number in enumerate(nums):
-            if number == tmp_num:
-                nums.pop(number_index)
-                continue
-            count += 1
-            tmp_num = nums[number_index]
+        if not nums:
+            return count
+        k = 1
+        for i in range(1, len(nums)):
+            if nums[i] != nums[i - 1]:
+                num[k] = nums[i]
+                k += 1
 
-        return count
+        return k