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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 view_totlosses(token, dstore):
 """ This is a debugging view. You can use it to check that the total losses, i.e. the losses obtained by summing the average losses on all assets are indeed equal to the aggregate losses. This is a sanity check for the correctness of the implementation. """

    oq = dstore['oqparam']
    tot_losses = dstore['losses_by_asset']['mean'].sum(axis=0)
    return rst_table(tot_losses.view(oq.loss_dt()), fmt='%.6E')