diff --git a/howtos_as_py_files/lambda_function.py b/howtos_as_py_files/lambda_function.py
new file mode 100644
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+++ b/howtos_as_py_files/lambda_function.py
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+# Sebastian Raschka 08/2014
+
+# Lambda functions are just a short-hand way or writing
+# short function definitions
+
+def square_root1(x):
+    return x**0.5
+    
+square_root2 = lambda x: x**0.5
+
+assert(square_root1(9) == square_root2(9))
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