Create Solution.py

Author: chandrikadeb7

Flatten Nested List Iterator/Solution.py

@@ -0,0 +1,21 @@
+class NestedIterator:
+    def __init__(self, nestedList: [NestedInteger]):
+        self.res = []
+        stack = nestedList
+        
+        while stack:
+            k = stack[0]
+            stack  = stack[1:]
+            if k.isInteger():
+                self.res.append(k)
+            else:
+                stack=k.getList()+stack
+                
+        self.i=0
+        
+    def next(self) -> int:
+        self.i+=1
+        return self.res[self.i-1]   
+    
+    def hasNext(self) -> bool:
+        return self.i < len(self.res)