ident(require) string<delimiter(')content(tk)delimiter(')>operator(;)constant(TkRoot)operator(.)ident(new)operator(;)ident(r)operator(,)ident(c)operator(,)ident(b)operator(=)integer(1)operator(,)integer(1)operator(,)string<delimiter(%w#)content(7 8 9 + 4 5 6 - 1 2 3 * 0 . /)delimiter(#)>operator(;)ident(d)operator(=)constant(TkEntry)operator(.)ident(new)operator({)
ident(grid)operator(()string<delimiter(")content(row)delimiter(")>operator(=)operator(>)integer(0)operator(,)string<delimiter(")content(column)delimiter(")>operator(=)operator(>)integer(1)operator(,)string<delimiter(")content(columnspan)delimiter(")>operator(=)operator(>)integer(4)operator(\))operator(})operator(;)ident(b)operator(.)ident(each_index)operator({)operator(|)ident(i)operator(|)constant(TkButton)operator(.)ident(new)operator({)ident(text) ident(b)operator([)ident(i)operator(])
ident(command) ident(proc)operator({)ident(d)operator(.)ident(insert)operator(()string<delimiter(")content(end)delimiter(")>operator(,)ident(b)operator([)ident(i)operator(])operator(\))operator(})operator(;)ident(grid)operator(()string<delimiter(")content(row)delimiter(")>operator(=)operator(>)ident(r)operator(,)string<delimiter(")content(column)delimiter(")>operator(=)operator(>)ident(c)operator(\))operator(})operator(;)ident(c)operator(+=)integer(1)operator(;)reserved(if) ident(i)operator(&&)operator(()ident(i)integer(+1)operator(\))operator(%)comment(##)
integer(4)operator(==)integer(0)reserved(then) ident(r)operator(+=)integer(1)operator(;)ident(c)operator(=)integer(1) reserved(end)operator(})operator(;)constant(TkButton)operator(.)ident(new)operator({)ident(text)string<delimiter(")content(=)delimiter(")>operator(;)ident(command) ident(proc)operator({)ident(t)operator(=)ident(d)operator(.)ident(get)operator(;)ident(d)operator(.)ident(delete)operator(()integer(0)operator(,)string<delimiter(")content(end)delimiter(")>operator(\))
ident(d)operator(.)ident(insert)operator(()string<delimiter(")content(end)delimiter(")>operator(,)ident(eval)operator(()ident(t)operator(\))operator(\))operator(})operator(;)ident(grid)operator(()string<delimiter(")content(row)delimiter(")>operator(=)operator(>)ident(r)operator(,)string<delimiter(")content(column)delimiter(")>operator(=)operator(>)ident(c)operator(\))operator(})operator(;)constant(Tk)operator(.)ident(mainloop)comment(### by mawe :\) ###)