<s> import os <EOL> def check ( mac_addresses ) : <EOL> ifconfig = os . popen ( '<STR_LIT>' ) . readlines ( ) <EOL> found = False <EOL> for line in ifconfig : <EOL> for ma in mac_addresses : <EOL> if ma in line : <EOL> found = True <EOL> break <EOL> return found </s>
