1 import matplotlib.pyplot as plt 2 3 def prime(value): 4 for num in range(2,value): 5 if value%num==0: 6 return -1 7 return 1 8 list=[] 9 for num in range(2,10000000): 10 if prime(num)>0: 11 list.append(num) 12 print list 13 list2=[] 14 for num in list: 15 list2.append(1.0/num) 16 list3=[] 17 sum=0 18 for num in list2: 19 sum=sum+num 20 list3.append(sum) 21 plt.plot(list3) 22 plt.show()