secret!!

heart.py

import binascii

z = '0x1F499'
o = '0x1F618'

def create_emoji_string(string):
    s = string.replace("0b","")
    out = ""
    for chr in s:
        if chr == '0':
            out+=z
        else:
            out+=o
    return out

def revert_emoji_string(string):
    s = string.replace(" ","")
    s = s.replace(z,'0')
    s = s.replace(o,'1')
    return s

def enc(string):
    # print("encoding '" + string + "' ...")
    s = bin(int(binascii.hexlify(string), 16))
    return create_emoji_string(s)

def dec(string):
    # print("decoding '" + string + "' ...")
    s = revert_emoji_string(string)
    n = int('0b'+s, 2)
    return binascii.unhexlify('%x'%n)


encoded = enc("Example String")
decoded = dec(encoded)


print encoded
print decoded