answer on level 1 :  "i" is scalar int variable defined on level 1
answer on level 2 :  "i" is scalar int variable defined on level 1
answer on level 2 :  "j" has been defined more than once on level 2
answer on level 2 :  "j" is 2-dimensional float array defined on level 2
answer on level 1 :  "liga" has not been defined 
