P2PU Python Course: Datatypes

"""

Created on Thu Mar 14 16:17:35 2013

Extra exercise

@author: casa

"""

#Define farmers

farmers =['John','Tim','Malcolm'] #list

print farmers

farmers.append('Steven')

print type(farmers)

#Define Farmers Booths

booths=dict()

counter=0

for farmer in farmers:

counter=counter+1

booths[farmer]=counter

print booths

print type(booths)

print booths.items()

print type(booths.items()) #a list of tuples

#Define Farmers' Slogans

slogan=dict()

for farmer in farmers:

print farmer

slogan[farmer]=raw_input("Enter the slogan for this farmer: ")

print slogan

print type(slogan)

print slogan.items() #prints list of tuples

"""

Created on Fri Mar 15 17:35:24 2013

exercise 8.6

@author: casa

"""

l = list()

while (True) :

input = raw_input('Enter a number: ')

if input == 'done' : break

l.append(float(input))

print 'The lowest number is: ', min(l)

print 'The highest number is: ', max(l)

average =sum(l)/len(l)

print 'The average is: ', average

"""

Created on Thu Mar 14 19:58:55 2013

exercise 8.5

@author: casa

"""

counter = 0

fname = '/home/casa/.mozilla-thunderbird/c8yu1aiw.default/ImapMail/mail.freeknowledge.eu/INBOX.sbd/FreeK.sbd/Board'

fname = raw_input('Enter the file name: ')

try:

filehandle = open (fname)

except:

print 'File %s cannot be opened.' % fname

exit()

for line in filehandle:

words = line.split()

if line.startswith('From') :

# print 'Debug:', words

for word in words :

if '@' in word :

counter = counter + 1

word = word.strip('<')

word = word.strip('>')

print word

print "There are %d lines that start with 'From' as the first word in the file %s" % (counter, fname)

"""

Created on Thu Mar 14 19:14:34 2013

exercise 8.4

@author: casa

"""

fname = raw_input('Enter the file name: ')

try:

filehandle = open (fname)

except:

print 'File %s cannot be opened.' % fname

exit()

wordlist = list()

for line in filehandle:

line = line.rstrip()

print line

words = line.split()

for word in words:

if not word in wordlist :

wordlist.append(word)

print '\n'

wordlist.sort()

print wordlist

"""

Created on Thu Mar 14 18:28:45 2013

exercise 6.5

@author: casa

"""

str = "X-DSPAM-Confidence: 0.8475"

i=str.find (':')

print i

number = str[i+1:]

print number

print type(number)

print number.strip()

print float(number)

print type(float(number))