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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 distance_similarity(a, b, p, T=CLOSE_DISTANCE_THRESHOLD):
 """Computes the distance similarity between a line segment and a point Args: a ([float, float]):
 x and y coordinates. Line start b ([float, float]):
 x and y coordinates. Line end p ([float, float]):
 x and y coordinates. Point to compute the distance Returns: float: between 0 and 1. Where 1 is very similar and 0 is completely different """

    d = distance_to_line(a, b, p)
    r = (-1/float(T)) * abs(d) + 1

    return r if r > 0 else 0