Armar el grafico desde el set

import numpy as np
import collections, functools, operator
import matplotlib.pyplot as plt

s={}
result={}
with open('nombre_archivo.out') as f:
    lines = f.readlines()
    for line in lines:
        s = dict(zip(*np.unique(np.fromstring(line, dtype=int, sep=','), return_counts=True)))
        result = dict(functools.reduce(operator.add, map(collections.Counter, [result, s])))

plt.plot(list(result.keys())[1:], list(result.values())[1:], '.')