# generate random numbers, write to disc, read disc file, calculate average

from random import random

def generate_numbers(numbers):

f = open(numbers, 'w')

nums = ''.join(['%.2f\n' % (random()* 100) for _ in range(100)])

f.write(nums)

f.close()

return nums

def read_data(fn):

return [float(line.strip()) for line in open(fn)]

def average(numList):

return sum(numList)/len(numList)

if __name__ == '__main__':

fn = r'H:\TEMP\temsys\numbers.txt'

print generate_numbers(fn)

numbers = read_data(fn)

print average(numbers)