Best time to buy and sell stock

Best Time to Buy and Sell Stock.py

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+def maxProfit(prices: [int]) -> int:
+    import sys
+    profit = 0
+    minprice = sys.maxsize
+    for i in range(0, len(prices)):
+        if prices[i] < minprice:
+            minprice = prices[i]
+        elif prices[i] - minprice > profit:
+            profit = prices[i] - minprice
+
+    return profit
+
+
+l = [3, 2, 6, 5, 0, 3]
+ans = maxProfit(l)
+print(ans)

Maximum subarray.py

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+def maxSubArray(nums: [int]) -> int:
+    tot = nums[0]
+    for i in range(1, len(nums)):
+        nums[i] = max(nums[i - 1], 0) + nums[i]
+        if nums[i] > tot:
+            tot = nums[i]
+
+    return tot
+
+
+l = [-2, 1, -3, 4, -1, 2, 1, -5, 4]
+
+ans = maxSubArray(l)
+print(ans)