(self)
return max(self.balance, 0)
The customer is considered to have pending charges if their balance is above 0.
The customer is considered to have pending charges if their balance is above 0.
The customer is considered to have pending charges if their balance is above 0 .
def pending_charges(self):
        """
        The customer is considered to have pending charges if their balance is above 0.
        """
        return max(self.balance, 0)
def pending_charges ( self ) : return max ( self . balance , 0 )