no connection could be made because the target machine actuvely refused it in python

If you are receiving the error "No connection could be made because the target machine actively refused it" in Python, it usually means the server you are trying to connect to is not accepting incoming connections.

There are a few possible reasons for this error:

1. The server is not running: Make sure the server you are trying to connect to is actually running and listening for incoming connections.

2. Wrong hostname or port: Double-check the hostname and port number you are using to connect to the server. Ensure they are correct.

3. Firewall or security restrictions: The server's firewall or some other security measure might be blocking incoming connections to the specific port you are trying to connect to. Check if there are any firewall rules or network restrictions in place that could be causing this issue.

Here's an example of how to handle the connection refused error in Python:

main.py
import socket

HOST = 'localhost'    # Example hostname
PORT = 12345          # Example port number

try:
    client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    client_socket.connect((HOST, PORT))
    # Do something with the connection...
except ConnectionRefusedError:
    print('Connection refused. The server may not be running or the hostname/port is incorrect.')
finally:
    client_socket.close()
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Make sure to replace 'localhost' and 12345 with the correct hostname and port number of the server you are trying to connect to.

Remember to handle the ConnectionRefusedError exception to gracefully handle the case when the connection is refused.

Also, keep in mind that the exact code may vary depending on the specific use case and the libraries or frameworks you are using for networking in Python.