Question $2$

To open a file c:$\backslash$scores$.$txt for writing, use

outfile $=$ open$($file $="$c:$\backslash$scores$.$txt$","$w$")$

outfile $=$ open$($file $="$c:$\backslash$scores$.$txt$","$w$")$

outfile $=$ open$("$c:$\backslash$scores$.$txt$","$w$")$

outfile $=$ open$("$c:$|$scores$.$txt$","$w$")$