let's try this again shall we

problems 1->10 of LC150

121-best-time-to-buy-and-sell-stock/soln.py

@@ -0,0 +1,11 @@
+def maxProfit(self, prices: list[int]) -> int:
+    lowest = prices[0]
+    max_profit = 0
+
+    for x in prices[1:]:
+        if x - lowest > max_profit:
+            max_profit = x - lowest
+        if x < lowest:
+            lowest = x
+
+    return max_profit