Explain below code
class RuleEngine:
    def __init__(self, FeatureCriteriaDf,config,debug):
        #print("Initialize the new instance of RuleEngine.")
        self.FeatureCriteriaDf = FeatureCriteriaDf
        self.config = config
        self.debug = debug
    
    def getRulesOfPolicy(self,policy,policy_outcome,event_date):

        #Find the write rule  based decline reason ,policy and event date
        rules=self.FeatureCriteriaDf[(self.FeatureCriteriaDf['decline_reason']==policy_outcome) & (self.FeatureCriteriaDf['child_policy_name']==policy)].copy()
        #print('-------------evaluteRules-------------'+event['application_id'])
        #print('Rules Count before daTe| ',rules.shape[0],event['dt'])
        #print('Rules date ',display(rules[['child_policy_name','Feature_Criteria_Valid_fromp','Feature_Criteria_Valid_top']]))
        
        #rule applicable for event
            
        if self.config['CreditPolicyPlayBookVersion'] == 'BasedOnEventDate':
            if isinstance(event_date, str):
                event_date = datetime.date.fromisoformat(event_date)
            rules = rules[(rules['feature_criteria_valid_from']<=event_date) & (event_date<=rules['feature_criteria_valid_to'])].copy()
        
        if self.config['CreditPolicyPlayBookVersion'] == 'BasedOnEventDateXLS':
            rules = rules[(rules['feature_criteria_valid_from']<=event_date) & (event_date<=rules['feature_criteria_valid_to'])].copy()

        return rules
    
    def getRulesOfRuleFamily(self,ruleFamily,event_date):
        

        #Filter based on child policyname
        rules=self.FeatureCriteriaDf[(self.FeatureCriteriaDf['child_policy_name']==ruleFamily)].copy()
        #print('-------------evaluteRules-------------'+event['application_id'])
        #print('Rules Count before daTe| ',rules.shape[0],event['dt'])
        #print('Rules date ',display(rules[['child_policy_name','feature_criteria_valid_from','Feature_Criteria_Valid_top']]))
        
        #rule applicable for event
            
        if self.config['CreditPolicyPlayBookVersion'] == 'BasedOnEventDate':
            if isinstance(event_date, str):
                event_date = datetime.date.fromisoformat(event_date)
            rules = rules[(rules['feature_criteria_valid_from']<=event_date) & (event_date<=rules['feature_criteria_valid_to'])].copy()
        
        if self.config['CreditPolicyPlayBookVersion'] == 'BasedOnEventDateXLS':
            rules = rules[(rules['feature_criteria_valid_from']<=event_date) & (event_date<=rules['feature_criteria Provide exactly two different responses that are separated with 6 asterisk symbols: ******.
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