diff --git a/04_comments/main.v b/04_comments/main.v
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+/*
+	multiply accepts two integers arguments namely x and y
+
+	It then performs multiplication of input arguments and 
+	return the product which is again a type of integer as 
+	specified in the function signature
+
+	x is an input argumento accepts values of type of int
+	y is an input argument accepts values of type of int
+
+	multiply functions returns the result of type int which 
+	is a multiplication of input arguments x and y
+
+*/
+fn multiply(x int, y int) int
+{
+	return x * y
+}
+
+// main function callable by operating system
+pub fn main() 
+{
+	println("Hello world")
+
+	println(multiply(2,4))
+}
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