Winnie Leung F.4CA (22) HW3 (I) ---- BK2 P.16 #2 program printleftstr(input, output); uses wincrt; const word = 'PASCAL'; var count :integer; subword :string; begin for count :=1 to length ( word ) do begin subword := copy (word, 1, count); writeln(subword) end end.