solves best time to buy and sell stock in python

Author: anishLearnsToCode

README.md

@@ -38,7 +38,7 @@
 | 112 | [Path Sum](https://leetcode.com/problems/path-sum) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/PathSum.java) [![Python](https://img.icons8.com/color/35/000000/python.png)](python/path_sum.py) | 
 | 118 | [Pascal's Triangle](https://leetcode.com/problems/pascals-triangle) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/PascalsTriangle.java) [![Python](https://img.icons8.com/color/35/000000/python.png)](python/pascals_triangle.py) | 
 | 119 | [Pascal's Triangle II](https://leetcode.com/problems/pascals-triangle-ii) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/PascalsTriangleII.java) [![Python](https://img.icons8.com/color/35/000000/python.png)](python/pascals_triangle_ii.py) | 
-| 121 | [Best Time to Buy and Sell Stocks](https://leetcode.com/problems/best-time-to-buy-and-sell-stock) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/BestTimeToBuyAndSellStock.java) |
+| 121 | [Best Time to Buy and Sell Stocks](https://leetcode.com/problems/best-time-to-buy-and-sell-stock) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/BestTimeToBuyAndSellStock.java) [![Python](https://img.icons8.com/color/35/000000/python.png)](python/best_time_to_buy_and_sell_stock.py) |
 | 122 | [Best Time to Buy and Sell Stocks II](https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/BestTimeToBuyAndSellStockII.java) | 
 | 125 | [Valid Palindrome](https://leetcode.com/problems/valid-palindrome) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/ValidPalindrome.java) |
 | 136 | [Single Number](https://leetcode.com/problems/single-number) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/SingleNumber.java) | 

python/best_time_to_buy_and_sell_stock.py

@@ -0,0 +1,10 @@
+from typing import List
+
+
+class Solution:
+    def maxProfit(self, prices: List[int]) -> int:
+        max_profit, buy_price = 0, prices[0]
+        for price in prices:
+            max_profit = max(max_profit, price - buy_price)
+            buy_price = min(buy_price, price)
+        return max_profit