The program can be used to find the 3 strongest WiFis available in your network and upon choosing, connects to it with password in Python 3 , on Windows.

ConnectWiFiInPython.py

import subprocess
import getpass
import os
import time
import pywifi
from pywifi import PyWiFi
from pywifi import const
from pywifi import Profile


class ConnectWifi:

    # method to connect to the wifi with password
    def connect_wifi(self, ssid, password):
        wifi = PyWiFi()
        ifaces = wifi.interfaces()[0]
        ifaces.scan()
        wifi = pywifi.PyWiFi()
        iface = wifi.interfaces()[0]

        profile = Profile()
        profile.ssid = ssid
        profile.auth = const.AUTH_ALG_OPEN
        profile.akm.append(const.AKM_TYPE_WPA2PSK)
        profile.cipher = const.CIPHER_TYPE_CCMP
        profile.key = password
        iface.remove_all_network_profiles()

        tmp_profile = iface.add_network_profile(profile)
        print("\tConnecting to WiFi....")
        time.sleep(2)
        iface.connect(tmp_profile)
        time.sleep(2)

        if ifaces.status() == const.IFACE_CONNECTED:
            print("Connected to the WiFi successfully!")
        else:
            print("Failed to connect to the WiFi!")

    # method to get the 3 strongest WiFis available in the network
    def get_available_wifi(self):

        cmd = ['netsh', 'wlan', 'show', 'network', 'mode=Bssid']
        output = subprocess.check_output(cmd).decode('ascii').replace("\r", "")
        tempnames = output.split("\n\n")

        nets = []
        for i in range(1, len(tempnames)-1):
            temp = tempnames[i].split("\n")
            ssid = temp[0].rstrip().split(" : ")[-1]
            signal = int(temp[5].rstrip().split(" : ")[-1][:-1])
            nets.append((ssid, signal))

        nets = sorted(nets, reverse=True, key=lambda x: x[1])[:3]
        return(nets)

    # driver method
    def execute(self):
        networks = self.get_available_wifi()

        print("Your available networks are :")
        for key, network in enumerate(networks):
            print(f"\t>> [{key+1}] {network[0]}")

        choice = input("Your Choice : |\n\t>> ")
        if choice not in "123":
            print("Wrong Choice Entered.")
            return False
        password = getpass.getpass()

        ssid = networks[int(choice)-1][0]
        print(f"You selected WiFi: {ssid}")
        self.connect_wifi(ssid, password)


if __name__ == "__main__":
    obj = ConnectWifi()
    obj.execute()