GRASSHOPPER Broadcast: Mesh symmetry

Free GRASSHOPPER Q&A+Troubleshooting session with Ján Pernecký

Questions answered:

• I have a list with x numbers and then i want to divide it to randomly lists with m,n,o,p.... elements and if m+n+o+p+... not equal to x it will create the list with the rest. Example one list with 20 numbers and divided to list A with 4 number, list B with 2 numbers, list C with 9 numbers and list E with the rest. 
  
• Some projects create meshes with symmetrical values, so they appear like mirror images. How would something like this be generated in GH?
  Here are some examples of what im talking about:
  http://www.grasshopper3d.com/photo/hybrid-4?context=user
  http://www.grasshopper3d.com/photo/vector-field-meshes?context=user
  http://www.grasshopper3d.com/photo/w-series-004?context=user   
• if we start with a triangle (or other shape) and then start to grow vertically by repeating itself, but using anemone, and at the same time we apply some constraints...