chapter 7 exercises

Exercise 7.1
# -*- coding: iso-8859-15 -*-
fasa = open('/home/fer/mbox-short.txt')
for linea in fasa:
    print linea.upper()
fasa.close()               #just to get used to it

Exercise 7.2
# -*- coding: iso-8859-15 -*-
nombref = raw_input("Nombre de archivo: ")
try:
    fasa = open(nombref)
    count=0
    total=0
    num=0
    for linea in fasa:
        if linea.startswith("X-DSPAM-Confidence:"):
            num = linea[20:26]
            num = float(num)
            total = total + num
            count +=1
    print "Total sum ",  total
    print "Number of lines ",  count
except:
    print "file %s can not be opened" % nombref

Exercise 7.3
# -*- coding: iso-8859-15 -*-

nombref = raw_input("Nombre de archivo: ")
try:
    fasa = open(nombref)
    count=0
    total=0
    num=0

    for linea in fasa:
        if linea.startswith("X-DSPAM-Confidence:"):
            num = linea[20:26]
            num = float(num)
            total = total + num
            count +=1

    print "Total sum ",  total
    print "Number of lines ",  count

except:
    if nombref =='na na boo boo':
        print "NA NA BOO BOO TO YOU - You have been punk'd!"
    else:
        print "file %s can not be opened" % nombref