sachadee

import base64 
from Crypto.Cipher import AES
from Crypto.Util.Padding import pad,unpad

#AES ECB mode without IV

data = 'I love Medium'
key = 'AAAAAAAAAAAAAAAA' #Must Be 16 char for AES128

def encrypt(raw):

sachadee

<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.1.1/crypto-js.min.js"></script>
<script>
//PYTHON FIX IV ENCRYPTION AND PYTHON FIX IV
var Base64CBC ='VEX7Eequ5TM9+jlgrwnkNw==';
var iv = CryptoJS.enc.Utf8.parse('BBBBBBBBBBBBBBBB');
//PYTHON RANDOM IV ENCRYPTION AND PYTHON RANDOM IV
//var Base64CBC ='uJrS9Zp1R5WjOEUkSK9clQ==';
//var iv = CryptoJS.enc.Base64.parse('l5I5Toqn5RoX0JfTLQB9Pw==');
var key ='AAAAAAAAAAAAAAAA'//key used in Python
 key = CryptoJS.enc.Utf8.parse(key);

sachadee

<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.1.1/crypto-js.min.js"></script>
<script>
 var encrypted ='gfp6wzvTH3lN5TO2B37yWQ=='; //python is base64 ECB
 var key ='AAAAAAAAAAAAAAAA'//key used in Python
 key = CryptoJS.enc.Utf8.parse(key); 
 var decrypted =  CryptoJS.AES.decrypt(encrypted, key, {mode:CryptoJS.mode.ECB});
 console.log(decrypted.toString(CryptoJS.enc.Utf8));
</script>

sachadee

<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.1.1/crypto-js.min.js"></script>
<script>
//JS FIX IV ENCRYPTION CBC
var message = 'I love Medium';
var key ='AAAAAAAAAAAAAAAA'//key used in Python
key = CryptoJS.enc.Utf8.parse(key);
var iv = CryptoJS.enc.Utf8.parse('BBBBBBBBBBBBBBBB')
var encrypted = CryptoJS.AES.encrypt(message, key, { iv: iv, mode: CryptoJS.mode.CBC});
encrypted =encrypted.toString();
console.log('encrypted',encrypted );