From aa5c7c9cf795419192737b1764b08c70fa22ebce Mon Sep 17 00:00:00 2001
From: "go-interview-practice-bot[bot]"
 <230190823+go-interview-practice-bot[bot]@users.noreply.github.com>
Date: Thu, 6 Nov 2025 09:07:44 +0000
Subject: [PATCH] Add solution for Challenge 3

---
 .../submissions/AlexO-85/solution-template.go | 72 +++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 challenge-3/submissions/AlexO-85/solution-template.go

diff --git a/challenge-3/submissions/AlexO-85/solution-template.go b/challenge-3/submissions/AlexO-85/solution-template.go
new file mode 100644
index 00000000..ec0ebc38
--- /dev/null
+++ b/challenge-3/submissions/AlexO-85/solution-template.go
@@ -0,0 +1,72 @@
+package main
+
+import "fmt"
+
+type Employee struct {
+	ID     int
+	Name   string
+	Age    int
+	Salary float64
+}
+
+type Manager struct {
+	Employees []Employee
+}
+
+// AddEmployee adds a new employee to the manager's list.
+func (m *Manager) AddEmployee(e Employee) {
+	m.Employees = append(m.Employees, e)
+}
+
+// RemoveEmployee removes an employee by ID from the manager's list.
+func (m *Manager) RemoveEmployee(id int) {
+	for i, e := range m.Employees {
+	    if(e.ID == id){
+	        m.Employees = append(m.Employees[:i], m.Employees[i+1:]...)
+	        break;
+	    }
+	}
+}
+
+// GetAverageSalary calculates the average salary of all employees.
+func (m *Manager) GetAverageSalary() float64 {
+    
+    countEmployees := len(m.Employees)
+    sumSalary := float64(0)
+    
+    if(countEmployees == 0){
+        return sumSalary
+    }
+    
+	for _, e := range m.Employees {
+	    sumSalary += e.Salary
+	}
+	
+	avgSalary := sumSalary / float64(len(m.Employees))
+	
+	return avgSalary
+}
+
+// FindEmployeeByID finds and returns an employee by their ID.
+func (m *Manager) FindEmployeeByID(id int) *Employee {
+	for i := range m.Employees {
+	    if(m.Employees[i].ID == id){
+	        return &m.Employees[i]
+	    }
+	}
+	return nil
+}
+
+func main() {
+	manager := Manager{}
+	manager.AddEmployee(Employee{ID: 1, Name: "Alice", Age: 30, Salary: 70000})
+	manager.AddEmployee(Employee{ID: 2, Name: "Bob", Age: 25, Salary: 65000})
+	manager.RemoveEmployee(1)
+	averageSalary := manager.GetAverageSalary()
+	employee := manager.FindEmployeeByID(2)
+
+	fmt.Printf("Average Salary: %f\n", averageSalary)
+	if employee != nil {
+		fmt.Printf("Employee found: %+v\n", *employee)
+	}
+}