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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 is_nsphere(points):
 """ Check if a list of points is an nsphere. Parameters points : (n, dimension) float Points in space Returns check : bool True if input points are on an nsphere """

    center, radius, error = fit_nsphere(points)
    check = error < tol.merge
    return check