Port scanner but a little better

Scanner.py

@@ -4,29 +4,46 @@
 
 scanner = nmap.PortScanner()
 
-print("Welcome, this is a simple nmap automation tool")
-print("<----------------------------------------------------->")
-
-ip_addr = input("Please enter the IP address you want to scan: ")
-print("The IP you entered is: ", ip_addr)
-type(ip_addr)
-
-resp = input("""\nPlease enter the type of scan you want to run
-                1)SYN ACK Scan
-                2)UDP Scan
-                3)Comprehensive Scan \n""")
-print("You have selected option: ", resp)
-resp_dict={'1':['-v -sS','tcp'],'2':['-v -sU','udp'],'3':['-v -sS -sV -sC -A -O','tcp']}
-if resp not in resp_dict.keys():
-    print("enter a valid option")
-else:
-    print("nmap version: "sccaner.nmap_version())
-    scanner.scan(ip_addr,"1-1024",resp_dict[resp][0]) #the # are port range to scan, the last part is the scan type
-    print(scanner.scaninfo())
-    if scanner.scaninfo()=='up':
-        print("Scanner Status: ",scanner[ip_addr].state())
-        print(scanner[ip_addr].all_protocols())
-        print("Open Ports: ",scanner[ip_addr][resp_dict[resp][1]].keys())  #display all open ports
+print("Welcome, this is a simple nmap automation tool.")
+print("-------------------------------------------------")
+
+ip_addr = input("IP: ")
+print("The IP you entered is:", ip_addr)
+
+while True:
+    resp = input(
+        """\nEnter the type of scan you want to run
+        1) SYN ACK Scan
+        2) UDP Scan
+        3) Comprehensive Scan
+        """
+    )
+    print("You have selected option:", resp)
+
+    if resp in {'1', '2', '3'}:
+        options = '-v'
+        if resp == '3':
+            options += ' -sV -sC -A -O'
+
+        if resp == '1':
+            scanner.scan(ip_addr, '1-1024', f'{options} -sS')
+            protocol = 'TCP'
+        elif resp == '2':
+            scanner.scan(ip_addr, '1-1024', f'{options} -sU')
+            protocol = 'UDP'
+        else:
+            scanner.scan(ip_addr, '1-1024', f'{options} -sS')
+            protocol = 'TCP'
+
+        print("Nmap Version:", '.'.join(map(str, scanner.nmap_version())))
+        print("Scan Info:", scanner.scaninfo())
+        print("IP Status:", scanner[ip_addr].state())
+        print("Protocol:", protocol)
+        print("Open ports:", list(scanner[ip_addr][protocol.lower()].keys()))
+        break
+    else:
+        print("Invalid option")
+