[Sync Iteration] go/vehicle-purchase/1

solutions/go/vehicle-purchase/1/vehicle_purchase.go

@@ -0,0 +1,41 @@
+package purchase
+
+import (
+    "fmt"
+    "strings"
+)
+
+// NeedsLicense determines whether a license is needed to drive a type of vehicle. Only "car" and "truck" require a license.
+func NeedsLicense(kind string) bool {
+	if kind == "car" || kind == "truck" {
+        return true
+    } else {
+        return false 
+    }
+}
+
+// ChooseVehicle recommends a vehicle for selection. It always recommends the vehicle that comes first in lexicographical order.
+func ChooseVehicle(option1, option2 string) string {
+	if strings.Compare(option1, option2) <= 0 {
+        return option1 + " is clearly the better choice."
+    } 
+
+    return option2 + " is clearly the better choice."
+}
+
+// CalculateResellPrice calculates how much a vehicle can resell for at a certain age.
+func CalculateResellPrice(originalPrice, age float64) float64 {
+
+	if age < 3 { 
+        resellPrice := originalPrice * 0.8
+    	fmt.Println(resellPrice)
+        return resellPrice
+    } else if age >= 10 {
+        resellPrice := originalPrice * 0.5
+    	fmt.Println(resellPrice)
+        return resellPrice
+    } else {
+        resellPrice := originalPrice * 0.7
+        return resellPrice  
+    }
+}