clears 150/215 test cases, need to fix edge case

Top150Interview/121BestTimetoBuyandSellStock.py

@@ -0,0 +1,19 @@
+def maxProfit(prices):
+    """
+    :type prices: List[int]
+    :rtype: int
+    """
+    lowest = min(prices)
+    if lowest == prices[len(prices)-1]:
+        print('no profit')
+        return 0
+    for i in range(len(prices)):
+        if lowest == prices[i]:
+            k = i+1
+            # print(f'k is {k}')
+            profit = max(prices[k:]) - lowest
+            print(profit)
+            return profit
+
+# maxProfit([7,1,5,3,6,4])
+maxProfit([7,6,4,3,1])