From 3f8b4c95a6132b656ed6956835bd888d799164ed Mon Sep 17 00:00:00 2001
From: unknown <kalicheti.sathvika@gmail.com>
Date: Tue, 28 Oct 2025 18:42:57 -0500
Subject: [PATCH] Competitive-Coding-10 completed

---
 buy_sell_stock_II.py | 11 +++++++++++
 peeking_iterator.py  | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 buy_sell_stock_II.py
 create mode 100644 peeking_iterator.py

diff --git a/buy_sell_stock_II.py b/buy_sell_stock_II.py
new file mode 100644
index 0000000..5ce6f61
--- /dev/null
+++ b/buy_sell_stock_II.py
@@ -0,0 +1,11 @@
+
+class Solution:
+    def maxProfit(self, prices: List[int]) -> int:
+        max_profit=0
+        for i in range(1,len(prices)):
+            if prices[i]>prices[i-1]:
+                max_profit+=prices[i]-prices[i-1]
+        return max_profit
+        
+
+
diff --git a/peeking_iterator.py b/peeking_iterator.py
new file mode 100644
index 0000000..415c1d9
--- /dev/null
+++ b/peeking_iterator.py
@@ -0,0 +1,32 @@
+class PeekingIterator:
+    def __init__(self, iterator):
+        """
+        Initialize your data structure here.
+        :type iterator: Iterator
+        """
+        self.iterator = iterator
+        self.next_val = iterator.next() if iterator.hasNext() else None
+        
+        """
+        Returns the next element in the iteration without advancing the iterator.
+        :rtype: int
+        """
+        
+    def peek(self):
+        return self.next_val
+
+    def next(self):
+        """
+        :rtype: int
+        """
+        cur = self.next_val
+        self.next_val = self.iterator.next() if self.iterator.hasNext() else None
+        return cur
+
+    def hasNext(self):
+        """
+        :rtype: bool
+        """
+        return self.next_val is not None
+        
+   
\ No newline at end of file