Can drop filling in zeros and it will still work.
>>> chr(int(u.lstrip("U+"), 16))
'𐍆'
>>> u = 'U+1F496'
>>> chr(int(u.lstrip("U+"), 16))
'💖'
>>> u = 'U+1F47D'
>>> chr(int(u.lstrip("U+"), 16))
'👽'
>>> u = "U+1f4af"
>>> chr(int(u.lstrip("U+"), 16))
'💯'
>>> u = 'U+1F389'
>>> chr(int(u.lstrip("U+"), 16))
'🎉'
# Using name
>>> '\N{Party Popper}'
'🎉'