diff --git a/Depth_of_lake.py b/Depth_of_lake.py
new file mode 100644
index 0000000..ac356e2
--- /dev/null
+++ b/Depth_of_lake.py
@@ -0,0 +1,6 @@
+
+H = float(input("Enter the value of H : "))
+L = float(input("Enter the value of L : "))
+x = ((L*L) - (H*H)) / (2*H)
+
+print("Depth of lake at A is : ", x)
\ No newline at end of file