These code points were used not only ... This has led to compilers and some languages like Python (optionally) allowing for the use of UTF-32 to represent Unicode strings. Of all the Unicode ...

Unicode code points are displayed like 'U+1F4A9 ... Java, JavaScript, .NET, Python 2, QT, SMS, CD-ROM, etc. adopted UCS-2. However, UCS-2's '16-bit fixed width' can only represent 65,536 characters.