diff --git a/lib/jnpr/jsnapy/check.py b/lib/jnpr/jsnapy/check.py
index cd586b08..c174f99a 100755
--- a/lib/jnpr/jsnapy/check.py
+++ b/lib/jnpr/jsnapy/check.py
@@ -27,16 +27,15 @@
 
 class Comparator:
 
-    def __init__(self,**kwargs):
+    def __init__(self, **kwargs):
         """
         Comparator object constructor.
         :param int port.
 
         """
-        self.port = kwargs.get('port', None)
         self.logger_check = logging.getLogger(__name__)
         self.log_detail = {'hostname': None}
-
+        self.port = kwargs.get('port', None)
 
     def is_op(self, op):
         """
@@ -70,7 +69,7 @@ def generate_snap_file(self, device, prefix, name, reply_format):
         This function generates name of snapshot files
         """
         if self.port is not None:
-            device = device + "_" + str(self.port)
+            device = "{}_{}".format(device, self.port)
         if os.path.isfile(prefix):
             return prefix
         else:
diff --git a/lib/jnpr/jsnapy/jsnapy.py b/lib/jnpr/jsnapy/jsnapy.py
index 6d567a12..103e3a63 100755
--- a/lib/jnpr/jsnapy/jsnapy.py
+++ b/lib/jnpr/jsnapy/jsnapy.py
@@ -369,7 +369,7 @@ def get_hosts(self):
                 sys.exit(1)
         self.login(output_file)
 
-    def generate_rpc_reply(self, dev, output_file, hostname, config_data,**kwargs):
+    def generate_rpc_reply(self, dev, output_file, hostname, config_data, **kwargs):
         """
         Generates rpc-reply based on command/rpc given and stores them in snap_files
         :param dev: device handler
@@ -377,7 +377,6 @@ def generate_rpc_reply(self, dev, output_file, hostname, config_data,**kwargs):
         :param hostname: hostname of device
         :param config_data : data of main config file
         """
-        port = kwargs.get('port', None)
         val = None
         test_files = []
         for tfile in config_data.get('tests'):
@@ -488,18 +487,19 @@ def login(self, output_file):
                     gp = first_entry.get('group', 'all')
 
                     dgroup = [i.strip().lower() for i in gp.split(',')]
-                    iter = 0;
                     for dgp in dev_file:
                         if dgroup[0].lower() == 'all' or dgp.lower() in dgroup:
-                            for val in dev_file[dgp]:
+                            for counter, val in enumerate(dev_file[dgp]):
+                                # There can be multiple values of device/hostname
+                                # The values can have same hostname but different port
+                                # key for the dictionary modified from hostname to enumerate value to keep distinction
                                 hostname = list(val)[0]
-                                iter+=1
                                 self.log_detail = {'hostname': hostname}
                                 if val.get(hostname) is not None and hostname not in self.host_list:
                                     #host_dict[hostname] = deepcopy(val.get(hostname))
                                     self.host_list.append(hostname)
-                                host_dict[iter] = deepcopy(val.get(hostname))
-                                host_dict[iter]["device"] = hostname
+                                host_dict[counter] = deepcopy(val.get(hostname))
+                                host_dict[counter]["device"] = hostname
 
                 # login credentials are given in main config file, can connect to multiple devices
                 else:
@@ -542,7 +542,7 @@ def login(self, output_file):
             key_value = {'port': port} if port is not None else {}
             self.connect(hostname, username, password, output_file, **key_value)
 
-    def get_test(self, config_data, hostname, snap_file, post_snap, action,**kwargs):
+    def get_test(self, config_data, hostname, snap_file, post_snap, action, **kwargs):
         """
         Analyse testfile and return object of operator.Operator containing test details
         called by connect() function and other functions of Jsnapy module functions
@@ -1016,9 +1016,8 @@ def get_hosts_list(self, hosts_val, host_dict):
         :param hosts_val: has the list of hosts to be parsed
         :param host_dict: The dictionary to be created to store the parsed values
         """
-        iter = -1       #iterator keeps count of number of hosts
-        for host in hosts_val:
-            iter += 1
+
+        for counter, host in enumerate(hosts_val):
             try:
                 hostname = host['device']
                 self.log_detail = {'hostname': hostname}
@@ -1036,7 +1035,10 @@ def get_hosts_list(self, hosts_val, host_dict):
             else:
                 if hostname not in self.host_list:
                     self.host_list.append(hostname)
-                host_dict[iter] = deepcopy(host)
+                # There can be multiple values of device/hostname
+                # The values can have same hostname but different port
+                # key for the dictionary modified from hostname to enumerate value to keep distinction
+                host_dict[counter] = deepcopy(host)
 
     #######  generate init folder ######
     '''
diff --git a/lib/jnpr/jsnapy/snap.py b/lib/jnpr/jsnapy/snap.py
index 2946d499..aaa2cf01 100755
--- a/lib/jnpr/jsnapy/snap.py
+++ b/lib/jnpr/jsnapy/snap.py
@@ -28,13 +28,13 @@ def __init__(self, **kwargs):
         :param int port.
 
         """
-        self.port = kwargs.get('port', None)
         self.logger_snap = logging.getLogger(__name__)
         self.log_detail = {'hostname': None}
         self.reply = {}
         self.command_list = []
         self.rpc_list = []
         self.test_included = []
+        self.port = kwargs.get('port', None)
 
     def _write_file(self, rpc_reply, format, output_file):
         """
@@ -96,7 +96,7 @@ def generate_snap_file(self, output_file, hostname, name, cmd_format):
         :return: return output file
         """
         if self.port is not None:
-            hostname = hostname + "_" + str(self.port)
+            hostname = "{}_{}".format(hostname, self.port)
         name = name.split('|')[0].strip()
         cmd_rpc = re.sub('/|\*|\.|-|\|', '_', name)
         if os.path.isfile(output_file):