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q6/q6.py

+class BlackMoneyHolder:
+    ## write your code here
+    def __init__(self,name,accounts_info):
+    	self.name=name
+    	self.accounts_info=accounts_info
+    	if(type(self.name)!=str or self.name=="" or self.name==None):
+    		raise Exception('Name not String or is None or is empty')
+    	if(type(self.accounts_info)!=dict):
+    		raise Exception('Accounts_info not Dictionary')
+    		
+    	self.newlist = sorted (self.accounts_info.items())
+    			
+    def update_amount(self, bnkname, bnkamt):
+    	self.accounts_info.update({bnkname:bnkamt})
+    	
+    def total_black_money(self):
+    	totamt = 0;
+    	for v in self.accounts_info.values():
+    		totamt+=v
+    	return totamt
+
+    def __lt__(self,other):
+    	return self.total_black_money() < other.total_black_money()
+    
+    def __eq__(self,other):
+    	return self.total_black_money() == other.total_black_money()
+    	
+    def __gt__(self,other):
+    	return self.total_black_money() > other.total_black_money()
+    	
+        	
+    def __str__(self):
+    	strop = ""
+    	for y in sorted(self.accounts_info):
+    		strop = strop + y +': '+ str(self.accounts_info[y]) +"\n"
+    	return strop
+    	
+    def __len__(self):
+    	return len(self.accounts_info)
+    	
+    def __getitem__(self, index):
+    	self.newlist = sorted (self.accounts_info.items())
+    	z = tuple(self.newlist[index])
+    	return z