-- -*- M2-comint -*- {* hash: 1147995987 *}

i1 : filename = read "file name : "
file name : sample

o1 = sample

i2 : peek filename

o2 = "sample"

i3 : R = ZZ[x,y];

i4 : s = read "polynomial : "
polynomial : (x+y)^2

o4 = (x+y)^2

i5 : value s

      2           2
o5 = x  + 2x*y + y

o5 : R

i6 :