12 def __init__(self
, master
):
14 frame
.pack(expand
=True, fill
=BOTH
)
16 self
.read
= Button(frame
, text
="Read", command
=self
.read
)
17 self
.read
.pack(side
=LEFT
)
19 self
.write
= Button(frame
, text
="Write", command
=self
.write
)
20 self
.write
.pack(side
=LEFT
)
22 self
.quit
= Button(frame
, text
="Quit", command
=frame
.quit
)
23 self
.quit
.pack(side
=LEFT
)