Store non - exisiting even and odd numbers
for key in m . keys ( ) : NEW_LINE INDENT if ( key % 2 == 0 ) : NEW_LINE INDENT even . append ( key ) NEW_LINE DEDENT else : NEW_LINE INDENT odd . append ( key ) NEW_LINE DEDENT DEDENT parity ( even , odd , v , 0 ) NEW_LINE print ( mn + 4 ) NEW_LINE