
class Bill(object):
    def __init__(self):
        self.id = None
        self.groupId = None
        self.amount = None
        self.contribution = {}
        self.paidBy = {}

    
    def setId(self,id):
        self.id = id 
    
    def getId(self):
        return self.id

    def setGroupId(self,groupId):
        self.groupId = groupId
    
    def getGroupId(self):
        return self.groupId

    def setAmount(self,amount):
        self.amount = amount
    
    def getAmount(self):
        return self.amount

    def setContribution(self,contribution):
        self.contribution = contribution
    
    def getContribution(self):
        return self.contribution

    def setPaidBy(self,paidBy):
        self.paidBy = paidBy
    
    def getPaidBy(self):
        return self.paidBy

    
