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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def rshares_to_steem (self, rshares):
        ''' Gets the reward pool balances
        then calculates rshares to steem
        '''
        self.reward_pool_balances()
        return round(
            rshares 
            * self.reward_balance 
            / self.recent_claims 
            * self.base, 4)