file1 = 'files/abc_xyz.py'
file2 = 'files/def/abc_xyz.py'

result1 = file1.split( '.' )[ 0 ].split( '/' )[ 1 ]
if result1.find( '_' ) != -1:
    result1 = result1.split( '_' )[ 1 ]
result2 = file2.split( '.' )[ 0 ].split( '/' )[ 1 ]
if result2.find( '_' ) != -1:
    result2 = result2.split( '_' )[ 1 ]

print( '"'+result1+'" and "'+result2+'"' )