import random

print ("<h1>👥 Memorize</h1><hr>", end='')

pairs = ['🐇','🐈','🐒','🐋','🐎','🐍','🐢','🐝','🐂']
count = len(pairs)
nums = list(random.shuffle(pairs))\
    .concat(list(random.shuffle(pairs)))

def mem_button(num):
    button = document.createElement('button')
    button.innerHTML = '&nbsp;'
    button.onclick = show(num)
    return (button)

for num in nums:
    document.body.appendChild(mem_button(num))

window.last_btn = Object()
def show(num):
    return def():
        button = this
        button.innerHTML = num
        if button==window.last_btn:
            return
        if window.last_btn.innerHTML==button.innerHTML:
            button.disabled = True
            window.last_btn.disabled = True
            button.innerHTML=window.last_btn.innerHTML=num
            window.last_btn = Object()
            window.count = count - 1
            if count==0:
                win()
            return
        window.last_btn.innerHTML = '&nbsp;'
        window.last_btn = button

def win():
    print('<span id="prize">🏆</h1>')
    print('<h2>Congratulations!</h2>')
    for b in document.getElementsByTagName('button'):
        b.style.display = 'none'

print('''<style>\
    body {\
        text-align: center; }\
    #prize {\
        font-size:100pt;\
        font-family: Noto Emoji;\
    }\
    button {\
        font-size: 48pt;\
        font-family: Noto Emoji;\
        margin: 1px;\
        width:120px;\
        height:120px;\
        display: inline;\
    }</style>'''