diff --git a/Swift/p007-Categorical-Cross-Entropy-Loss.swift b/Swift/p007-Categorical-Cross-Entropy-Loss.swift
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+/*
+Calculating the loss with Categorical Cross Entropy
+Associated with YT NNFS tutorial: https://www.youtube.com/watch?v=dEXPMQXoiLc
+*/
+
+import Foundation
+
+var softmax_output: [Double] = [0.7, 0.1, 0.2]
+var target_output: [Double] = [1, 0, 0]
+
+var loss = -(log(softmax_output[0]) * target_output[0] +
+            log(softmax_output[1]) * target_output[1] +
+            log(softmax_output[2]) * target_output[2])
+
+print(loss)
+
+print(-log(0.7))
+print(-log(0.5))