Example with all variables modifiable

rougail:                      # Rougail
  var1:                       # The first variable
    - 0.0
  var2:                       # The second variable
    - 0.0
  var3:                       # The third variable
    - 0.0
  var4:                       # The forth variable
    - 10.1
  var5:                       # The fifth variable
    - 10.1
  var6:                       # The sixth variable
    - 10.1
  var7:                       # The seventh variable
    - 0.0
  var8:                       # The eighth variable
    - 0.0