n

myfile = open('numbers.txt')
next_line = myfile.readline()
listA = []
listB = []
while next_line != "":
    listA.append(float(next_line.split(",")[0]))
    listB.append(float(next_line.split(",")[1][:-1]))
    next_line = myfile.readline()

print("The average of the first column is:   " + "{:.4f}".format(sum(listA)/len(listA)))
print("The average of the second column is:  " + "{:.4f}".format(sum(listB)/len(listB)))