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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_ag_v1(self):
 """Sum the through flown area of the total cross section. Required flux sequences: |AM| |AV| |AVR| Calculated flux sequence: |AG| Example: ag(15.0) """

    flu = self.sequences.fluxes.fastaccess
    flu.ag = flu.am+flu.av[0]+flu.av[1]+flu.avr[0]+flu.avr[1]