Add main.go

main.go

@@ -0,0 +1,71 @@
+package main
+
+import(
+	"fmt"
+)
+
+var num1 float64
+var num2 float64
+var math string
+var calculate int
+
+func get_num(){
+	fmt.Println("num1:")
+	fmt.Scanln(&num1)
+	fmt.Println("num2:")
+	fmt.Scanln(&num2)
+}
+
+func get_math_options(){
+	for {
+		fmt.Println("Choose an operator (+ - / *):")
+		fmt.Scanln(&math)
+
+		switch math {
+		case "+":
+			calculate = 1
+			return
+		case "-":
+			calculate = 2
+			return
+		case "/":
+			calculate = 3
+			return
+		case "*":
+			calculate = 4
+			return
+		default:
+			fmt.Println("Invalid input, try again.")
+		}
+	}
+}
+
+func get_numbers(){
+	switch calculate{
+	case 1:
+		fmt.Println(num1 + num2)
+		return
+	case 2:
+		fmt.Println(num1 - num2)
+		return
+	case 3:
+			if num2 == 0 {
+		fmt.Println("Cannot divide by zero")
+		return
+		}
+		fmt.Println(num1 / num2)
+		return
+	case 4:
+		fmt.Println(num1 * num2)
+		return
+	default:
+		fmt.Println("the hell happened here?")
+	}
+}
+
+func main(){
+	get_math_options()
+	get_num()
+	fmt.Println("total")
+	get_numbers()
+}