@property<EOL><INDENT>@memoize<EOL>def q_alpha(self):<DEDENT>
M_ALPHA = <NUM_LIT>         <EOL>f = lambda parent, daugther: parent - daugther - M_ALPHA<EOL>return self.derived('<STR_LIT>', (-<NUM_LIT:2>, -<NUM_LIT:2>), f)<EOL>
Return Q_alpha