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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 ad_unif_fix(samples, pinf):
 """ Corrects the limiting distribution for a finite sample size. """

    n = samples
    c = .01265 + .1757 / n
    if pinf < c:
        return (((.0037 / n + .00078) / n + .00006) / n) * g1(pinf / c)
    elif pinf < .8:
        return ((.01365 / n + .04213) / n) * g2((pinf - c) / (.8 - c))
    else:
        return g3(pinf) / n