-- -*- M2-comint -*- {* hash: -583475657 *}
i1 : tally {a,a,b,c} - tally {c,d,d}
o1 = Tally{a => 2}
b => 1
o1 : Tally
i2 :
-- -*- M2-comint -*- {* hash: -583475657 *}
i1 : tally {a,a,b,c} - tally {c,d,d}
o1 = Tally{a => 2}
b => 1
o1 : Tally
i2 :
::
::
::
