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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 calc_qg_v1(self):
 """Calculate the discharge of the total cross section. Method |calc_qg_v1| applies the actual versions of all methods for calculating the flown through areas, wetted perimeters and discharges of the different cross section compartments. Hence its requirements might be different for various application models. """

    flu = self.sequences.fluxes.fastaccess
    self.calc_am_um()
    self.calc_qm()
    self.calc_av_uv()
    self.calc_qv()
    self.calc_avr_uvr()
    self.calc_qvr()
    flu.qg = flu.qm+flu.qv[0]+flu.qv[1]+flu.qvr[0]+flu.qvr[1]