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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 linOriginRegression(points):
 """ computes a linear regression starting at zero """

    j = sum([ i[0] for i in points ])
    k = sum([ i[1] for i in points ])
    if j != 0:
        return k/j, j, k
    return 1, j, k