embedding filedialog in a frame in tkinter

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i am trying out tkinter to make a gui..i want to have a frame with an
embedded file explorer next to a 'open directory' label..i tried out
FileDialog and tkFileDialog methods but they open as pop up dialogs..
how do i make this  packed into the frame the way button and other
widgets can be packed? i am a newbie to tkinter..

any help greatly appreciated
TIA
dn