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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 find_next(start, stop, i2hits):
 """ which protein has the best hit, the one to the 'right' or to the 'left?' """

    if start not in i2hits and stop in i2hits:
        index = stop
    elif stop not in i2hits and start in i2hits:
        index = start
    elif start not in i2hits and stop not in i2hits:
        index = choice([start, stop])
        i2hits[index] = [[False]]
    else:
        A, B = i2hits[start][0], i2hits[stop][0]
        if B[10] <= A[10]:
            index = stop
        else:
            index = start
    if index == start:
        nstart = start - 1
        nstop = stop
    else:
        nstop = stop + 1
        nstart = start
    match = i2hits[index][0]
    rp = match[-1]
    return index, nstart, nstop, rp, match