import paramiko


def check_bssid():
    hostname = 'hostname'
    username = 'username'
    password = 'password'
    specific_bssid = 'specific_bssid'

    command = 'iw wlan0 scan | grep BSS'

    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    ssh.connect(hostname, username=username, password=password)

    stdin, stdout, stderr = ssh.exec_command(command)
    output = stdout.readlines()

    for line in output:
        if specific_bssid in line:
            print(f'BSSID {specific_bssid} is present.')
            return True

    print(f'BSSID {specific_bssid} is not present.')
    return False


check_bssid()