diff --git a/python/35_search_insert_position.py b/python/35_search_insert_position.py
new file mode 100644
index 0000000..e4a448d
--- /dev/null
+++ b/python/35_search_insert_position.py
@@ -0,0 +1,21 @@
+class Solution:
+    def searchInsert(self, nums: List[int], target: int) -> int:
+        lower = 0
+        upper = len(nums)-1
+        while True:
+            mid = (upper + lower) // 2
+            if nums[mid] == target:
+                return mid
+            elif mid == 0 and nums[mid] > target:
+                return mid
+            elif mid >= len(nums) - 1:
+                if nums[mid] < target:
+                    return mid + 1
+                else:
+                    return mid
+            elif nums[mid] > target and nums[mid-1] < target:
+                return mid
+            elif nums[mid] < target:
+                lower = mid + 1
+            else:
+                upper = mid - 1