min/max fro file

infile = open("myData.txt" , 'r')a = infile.readlines()list = []for number in a:     x = eval(number)     list.append(x) print "Maximum = ", max(list)print "Minimum = ", min(list)even = []for i in list:     if i%2==0:          even.append(i)print "Even Numbers: ", even