human
Complete the below
def get_doctype_module(doctype):

    ''''Returns **Module Def** name of given doctype.'
    '''
assistant
#Here is the Python program you requested.
    def make_modules_dict():
        return dict(frappe.db.sql(u'select    name,    module    from    tabDocType'))
    return frappe.cache().get_value(u'doctype_modules', make_modules_dict)[doctype]