Query in Interface in mininet-wifi

[nodecomm]

Hi,
I'm a beginner in the field of mininet_wifi programming. Can you detail the following code.
sta1.cmd('wpa_cli -ista1-wlan0 p2p_find')
sta2.cmd('wpa_cli -ista2-wlan0 p2p_find')
sta2.cmd('wpa_cli -ista2-wlan0 p2p_peers')