Add a port scanner script.

BasicPythonScripts/Port Scanner/README.md

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+# Package/Script Name
+Port Scanner
+## Short description of package/script
+
+- Use nmap to scan and detect the specified server port
+- You can also use this script to customize it to achieve the effect you want.
+
+## Setup instructions
+1. First you need to install nmap, centos as an example.
+
+```
+yum install nmap
+```
+
+2. Installing NAMP's Python library
+
+```
+pip3 install python-nmap
+```
+
+## Output
+images link : 
+Images/output.png
+
+![preview](https://github.com/Ethan-622/Awesome_Python_Scripts/blob/main/BasicPythonScripts/Port%20Scanner/Images/output.png)
+
+
+## Author(s)
+Ethan

BasicPythonScripts/Port Scanner/port_scanner.py

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+import sys
+import nmap
+
+def main():
+    input_data = input("Please input hosts and ports (e.g., '192.168.1.1 80,443'): ")
+    scan_row = input_data.strip().split()
+
+    if len(scan_row) != 2:
+        print("Error! Please provide both hosts and ports.")
+        sys.exit(1)
+
+    hosts = scan_row[0]
+    ports = scan_row[1]
+
+    try:
+        nm = nmap.PortScanner()
+    except nmap.PortScannerError as e:
+        print(e)
+        print("Nmap not found! Ensure that Nmap is installed.")
+        sys.exit(1)
+    except Exception as e:
+        print(f"Unexpected error: {str(e)}")
+        sys.exit(1)
+
+    try:
+        print(f"Scanning {hosts} on ports {ports}...")
+        nm.scan(hosts=hosts, arguments=f'-v -sS -p {ports}')
+    except Exception as e:
+        print(f"Scan error: {str(e)}")
+        sys.exit(1)
+
+    for host in nm.all_hosts():
+        print('-------------------------------------------')
+        print(f'Host : {host} ({nm[host].hostname()})')
+        print(f'State : {nm[host].state()}')
+
+        for proto in nm[host].all_protocols():
+            print('-------------------')
+            print(f'Protocol : {proto}')
+            ports = sorted(nm[host][proto].keys())
+            for port in ports:
+                state = nm[host][proto][port]['state']
+                print(f'Port : {port}\tState : {state}')
+
+if __name__ == "__main__":
+    main()

BasicPythonScripts/Port Scanner/requirements.txt

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+python-nmap=>0.7.1