import numpy as np
import matplotlib.pyplot as plt
import urllib2
%matplotlib inline

for i in range(18979,18989):
    
    url='http://golem.fjfi.cvut.cz/utils/data/'+ str(i) +'/plasma_current'
    
    file=urllib2.urlopen(url)
    X=np.loadtxt(file)
    plt.plot(X[:,0],X[:,1])