add load balancer implementation

implementations/python/load balancer algorithms/round_robin.py.py

@@ -0,0 +1,16 @@
+class RoundRobin:
+    def __init__(self, servers):
+        self.servers = servers
+        self.current_index = -1
+
+    def get_next_server(self):
+        self.current_index = (self.current_index + 1) % len(self.servers)
+        return self.servers[self.current_index]
+
+# Example usage
+servers = ["Server1", "Server2", "Server3"]
+load_balancer = RoundRobin(servers)
+
+for i in range(6):
+    server = load_balancer.get_next_server()
+    print(f"Request {i + 1} -> {server}")