initial commit

variables/variables.go

@@ -0,0 +1,27 @@
+package main
+import "fmt"
+
+func main(){
+	// var declares 1 or more variables.
+	var a = "initial"
+	fmt.Println(a)
+	// You can declare multiple variables at once.
+	var b,c int = 1,2
+	fmt.Println(b,c)
+
+	// Go will infer the type of initialized variables.
+	var d = true
+	fmt.Println(d)
+   	
+	// Variables declared without a corresponding
+	// initialization are zero-valued. For example,
+	// the zero value for an int is 0.
+	var e int
+	fmt.Println(e)
+	// The := syntax is shorthand for declaring and
+	// initializing a variable, e.g. 
+	// for var f string = "apple" in this case.
+	// This syntax is only available inside functions.
+	f := "apple"
+	fmt.Println(f)
+}