diff --git a/medium/53 Maximum Subarray/solution.py b/medium/53 Maximum Subarray/solution.py
new file mode 100644
index 0000000..93cc6cc
--- /dev/null
+++ b/medium/53 Maximum Subarray/solution.py	
@@ -0,0 +1,16 @@
+from math import inf
+
+def maxSubArray(nums):
+    max_sum = nums[0]
+    current_sum = nums[0]
+
+    for n in nums[1:]:
+        if current_sum < 0:
+            current_sum = 0
+        current_sum += n
+        if current_sum > max_sum:
+            max_sum = current_sum
+    return max_sum
+    
+if __name__ == "__main__":
+    print(maxSubArray([-2,1]))