Added Python functions

Author: rohitgulabpardasani

connect_routers.py

@@ -1,12 +1,12 @@
 import yaml
 
 def load_router_details(yaml_file):
-    """ Load router details from a YAML file """
+    """Load router details from a YAML file."""
     with open(yaml_file, 'r') as file:
         return yaml.safe_load(file)
 
 def connect_to_router(router):
-    """ Connect to routers and get hostname """
+    """Connect to routers and get hostname."""
     print(f"Connecting to {router['hostname']} at {router['ip']}...")
     print(f"Using username: {router['username']}")
     print(f"Enable password: {router['enable_password']}")