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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 _remove_bottleneck(net_flux, path):
 """ Internal function for modifying the net flux matrix by removing a particular edge, corresponding to the bottleneck of a particular path. """

    net_flux = copy.copy(net_flux)

    bottleneck_ind = net_flux[path[:-1], path[1:]].argmin()

    net_flux[path[bottleneck_ind], path[bottleneck_ind + 1]] = 0.0

    return net_flux