variables explained

Author: withgaurav

var.go

@@ -0,0 +1,18 @@
+// variable scope
+// In golang scope is defined as block. A block is a possibly empty sequence of declaration and statements within matching curly bracke
+// In golang there are two types of block inner block and outer block
+// Inner block can access the variables that are declared in the outer block
+// Outer block cannot access the variables that are declared in the inner block.
+package main
+
+import "fmt"
+
+func main() {
+	city := "London"
+	{
+		country := "UK"
+		fmt.Println(city)
+		fmt.Println(country)
+	}
+	fmt.Println(city)
+}