title: Generate random IPv6 address
body: <p>In Python, what should I do if I want to generate a random string in the form of an IP v6 address?</p>
  
  <p>For example: "ff80::220:16ff:fec9:1", "fe80::232:50ff:fec0:5", "fe20::150:560f:fec4:3" and so on.</p>
  
  <p>Could somebody give me some help?</p>