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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 pic_inflow_v2(self):
 """Update the inlet link sequences. Required inlet sequences: |dam_inlets.Q| |dam_inlets.S| |dam_inlets.R| Calculated flux sequence: |Inflow| Basic equation: :math:`Inflow = Q + S + R` """

    flu = self.sequences.fluxes.fastaccess
    inl = self.sequences.inlets.fastaccess
    flu.inflow = inl.q[0]+inl.s[0]+inl.r[0]