this automates 9 commands of virsh iface

It automates 9  command by their respective file
File - virsh_iface_list.py 
virsh iface-list

File - virsh_iface_start_destroy.py
virsh iface-destroy
virsh iface-start

File - virsh_iface_define_undefine.py
virsh iface-define
virsh iface-undefine

File - virsh_iface_mac_name.py
virsh iface-mac
virsh iface-name

File- virsh_iface_bridge_unbridge.py
virsh iface-bridge
virsh iface-unbridge

Library file-iface.py

virsh command file - virsh.py