Create Summary Ranges - Leetcode 228.py

Author: gahogg

Summary Ranges - Leetcode 228.py

@@ -0,0 +1,20 @@
+class Solution:
+    def summaryRanges(self, nums: List[int]) -> List[str]:
+        ans = []     
+        i = 0 
+        
+        while i < len(nums): 
+            start = nums[i]  
+            while i < len(nums)-1 and nums[i] + 1 == nums[i + 1]: 
+                i += 1 
+            
+            if start != nums[i]: 
+                ans.append(str(start) + "->" + str(nums[i]))
+            else: 
+                ans.append(str(nums[i]))
+            
+            i += 1
+
+        return ans
+        # Time: O(n)
+        # Space: O(n)