human
Complete the below
def custom(cls, **params):

    ''''Returns customized constructor for class cls.'
    '''
 ... Give me a the Python program you requested?
assistant
#Here is the Python program you requested.
    def customized(*args, **kwargs):
        'Customized    constructor'
        kwargs = kwargs.copy()
        kwargs.update(params)
        return cls(*args, **kwargs)
    customized.__name__ = ('custom(%s,%s)' % (cls, params))
    return customized