Port Scanner

import socket
#input IP address, ***only the address that we have permission to scan!
my_IP = '192.168.243.1'
#input list of port numbers that we would like to scan.
port_List = [20, 21, 22, 23, 25, 53, 68, 69, 80, 110, 115, 119, 123, 135, 137,
             139, 143, 161, 194, 311, 443, 445, 660, 993, 1023] 

def pscan(portt):

        try:
            #Create a stream socket
            #AF_INET is a Socket Family Function
            #SOCKET_STREAM is Socket type TCP connections
            s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            s.connect((my_IP, portt))
            return True

        except:
            return False
            

#write a for loop to check which port is being opened.
        
for i in port_List:

        if pscan(i):
            print('Port',i, "is open")
        else:
            print("port",i, "is closed")
        # We can comment out the else part.