shows the password of wifi through its ssid without subprocess

import subprocess
ssid = "mywifi"
command = """/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -I | awk '/ SSID/ {print substr($0, index($0, $2))}'"""
proc = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True)
(out, err) = proc.communicate()
if out.decode().strip() == ssid:
  command = """/usr/sbin/networksetup -getairportnetwork en0 | cut -c 24-""".strip()
  proc = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True)
  (out, err) = proc.communicate()   
  return out.decode().strip()
else:
  return 'Not connected to ' + ssid + '.'