Fixed the formatting according to PEP8

UDP-client-server.py

@@ -12,10 +12,11 @@ NR_OF_PACKETS=10                   #TOTAL NR. OF PACKETS TO SEND
 PACKETS_PER_SEC = 100           # PACKETS PER SECOND
 
 # CLIENT - RECEIVER
-UDP_RECEIVE_IP = '::1'             #IP ADDRESS TO LISTEN FOR INCOMMING PACKETS (v4 or v6)
-UDP_RECEIVE_PORT=55555         #IP PORT TO LISTEN FOR INCOMMING PACKETS
+UDP_RECEIVE_IP = '::1'          # LISTENING IP ADDRESS (v4 or v6)
+UDP_RECEIVE_PORT = 55555        # IP PORT TO LISTEN FOR INCOMING PACKETS
 BUFFER = 4096
 
+
 #CLIENT-RECEIVER PART
 def udp_client_receive(UDP_RECEIVE_IP, UDP_RECEIVE_PORT):
     ADDR = (UDP_RECEIVE_IP, UDP_RECEIVE_PORT)
@@ -50,8 +51,14 @@ def udp_client_receive(UDP_RECEIVE_IP, UDP_RECEIVE_PORT):
         packet_number = str(splitdata[1].strip("' '"))
         packet_number = packet_number.lstrip('0')
 #WRITE TO FILE AND DO PACKET COUNT
-        outfile = open("udp_twoway_results.csv", "a").write(str(time.ctime()+','+'received , '+ packet_number+' , '+str(rt_delay)+'\n'))
-        print (time.ctime()+','+'received , '+ packet_number+' , '+str(rt_delay))
+        #outfile = open("udp_twoway_results.csv", "a").\
+        open("udp_twoway_results.csv", "a").\
+            write(str(time.ctime() + ',' + 'received , ' +
+                      packet_number + ' , ' + str(rt_delay) + '\n'))
+
+        print (time.ctime() + ',' + 'received , ' +
+               packet_number + ' , ' + str(rt_delay))
+
 # Store minimum and maximum delay
         if rt_delay > max_delay:
             max_delay = rt_delay
@@ -62,8 +69,10 @@ def udp_client_receive(UDP_RECEIVE_IP, UDP_RECEIVE_PORT):
         packet_count_rcvd = packet_count_rcvd + 1
         cumulative_delay = cumulative_delay + rt_delay
 
+
 #CLIENT SERVER SIDE
-def udp_client_send(UDP_DEST_IP,  UDP_DEST_PORT,  PACKET_SIZE,  NR_OF_PACKETS, PACKETS_PER_SEC):
+def udp_client_send(UDP_DEST_IP,  UDP_DEST_PORT,
+                    PACKET_SIZE,  NR_OF_PACKETS, PACKETS_PER_SEC):
 
     inter_departure_time = 1. / PACKETS_PER_SEC
     packet_count_snd = 0
@@ -79,10 +88,11 @@ def udp_client_send(UDP_DEST_IP,  UDP_DEST_PORT,  PACKET_SIZE,  NR_OF_PACKETS, P
             padding = ''
             for j in range(98, PACKET_SIZE):
                 padding = padding + str(1)
-        for i in range (1,NR_OF_PACKETS+1): #SEND SPECIFIED NUMBER OF PACKETS
+        for i in range(1, NR_OF_PACKETS + 1):  # SEND SPECIFIED NR OF PKTS
             time.sleep(inter_departure_time)
             snd_sock6 = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
-            snd_sock6.sendto(str(("%.5f" % time.time(),str('%08d' % i), padding)), (UDP_DEST_IP, UDP_DEST_PORT) )
+            snd_sock6.sendto(str(("%.5f" % time.time(), str('%08d' % i),
+                                  padding)), (UDP_DEST_IP, UDP_DEST_PORT))
             packet_count_snd = packet_count_snd + 1
 
 #IF NOT IPv6
@@ -94,7 +104,8 @@ def udp_client_send(UDP_DEST_IP,  UDP_DEST_PORT,  PACKET_SIZE,  NR_OF_PACKETS, P
         for i in range(1, NR_OF_PACKETS + 1):
             time.sleep(inter_departure_time)
             snd_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
-            snd_sock.sendto(str(("%.5f" % time.time(),str('%08d' % i), padding)), (UDP_DEST_IP, UDP_DEST_PORT) )
+            snd_sock.sendto(str(("%.5f" % time.time(), str('%08d' % i),
+                                 padding)), (UDP_DEST_IP, UDP_DEST_PORT))
             packet_count_snd = packet_count_snd + 1
 
 #WAIT 5SEC FOR ALL PACKETS TO ARRIVE
@@ -114,8 +125,12 @@ def udp_client_send(UDP_DEST_IP,  UDP_DEST_PORT,  PACKET_SIZE,  NR_OF_PACKETS, P
 
 #START THE THREADS FOR SENDER AND RECEIVER
 if __name__ == "__main__":
-    receiver_thread = Thread(target=udp_client_receive,  args=(UDP_RECEIVE_IP, UDP_RECEIVE_PORT))
+    receiver_thread = Thread(target=udp_client_receive,
+                             args=(UDP_RECEIVE_IP, UDP_RECEIVE_PORT))
     receiver_thread.daemon = True
     receiver_thread.start()
     time.sleep(1)
-    sender_thread = Thread(target=udp_client_send,  args=(UDP_DEST_IP,  UDP_DEST_PORT,  PACKET_SIZE,  NR_OF_PACKETS,  PACKETS_PER_SEC)).start()
+    sender_thread = Thread(target=udp_client_send,
+                           args=(UDP_DEST_IP,  UDP_DEST_PORT,
+                                 PACKET_SIZE,  NR_OF_PACKETS,
+                                 PACKETS_PER_SEC)).start()