vichug

Hey, i'm desperately trying to make this output something :

print

can't seem to wrap my head around how if statement work in genexpr. Has someone a clue ?

it doesn't work ! 
can't seem to wrap my head around how if statement work in genexpr. Has someone a clue ?

Hey, i'm desperately trying to make this output something :

 
it doesn't work ! 
can't seem to wrap my head around how if statement work in

this works though, but i'm nto sure why the first one didn't