import pickle
 
myList1 = [1, 2, 03, 04, 3.14, "Monte"]
print( "Original list:" )
print( myList1 )
 
# save the list object to file
file = open("list1.dat", "w")
pickle.dump(myList1, file)
file.close()
 
# load the file back into a list 
file = open("list1.dat", "r")
myList2 = pickle.load(file)
file.close()
 
# show that the list is still intact
print( "List after pickle.dump() and pickle.load():" )
print( myList2 )

# print out a given year's monthly calendars
 
import calendar
 
calendar.prcal(2005)

import calendar
 
calendar.prmonth(2005, 6)
 
"""
result -->
     June 2005
Mo Tu We Th Fr Sa Su
       1  2  3  4  5
 6  7  8  9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30
"""

# allowing for user input
 
import calendar
 
print( "Show a given year's monthly calendars ..." )
print('')
# Python3 uses input() instead of raw_input()
year = int(raw_input("Enter the year (eg. 2005): "))
print('')
calendar.prcal(year)
print('')
raw_input("Press Enter to go on ...")  # wait
# with Pytho3 use ...
#input("Press Enter to go on ...")  # wait

// needs the Python-2.4.1.DevPak installed into Dev-C++, download from:
// http://prdownloads.sourceforge.net/devpaks/Python-2.4.1.DevPak?download
// create project with File > New > Project... > Scripting > Python
 
#include <iostream>
#include <string>
 
// run the Python interpreter eg. Python24.dll
// this macro saves on typing!
#define PY  PyRun_SimpleString(input.c_str())
 
using namespace std;
 
// include the Python library header
extern "C" {
  #include <python2.4/Python.h>
}
 
 
int main()
{
  // initialize Python
  Py_Initialize();
 
  // optional - display Python version information
  cout << "Python " << Py_GetVersion() << endl << endl << endl;
 
  string input;
 
  // this module is in Python24\lib as calendar.py
  // could include it in the working folder if problem
  input = "import calendar"; PY;
 
  // print out the year's monthly calendar
  input = "calendar.prcal(2005)"; PY;
 
  // finish up and close Python
  Py_Finalize();
 
  cin.get();  // console wait
  return 0;
}

# list all the configuration (.ini) files in C:\Windows
 
import os
 
fileList = []  # start with an empty list
for filename in os.listdir("C:/Windows"):
    if filename.endswith(".ini"):
        fileList.append(filename)
 
# now show the list
for filename in fileList:
    print( filename )

# make your own words, when Q comes up we want to use Qu
str1 = 'Aark'
print( "Replace A in %s with other letters:" % str1 )
# go from B to Z
for n in range(66, 91):
    ch = chr(n)
    if ch == 'Q':      # special case Q, use Qu
        ch = ch + 'u'
    print( str1.replace('A', ch) )

# make your own words, here we have to avoid one
# word to get past the guardians of the nation's morals
str1 = 'Auck'
print( "Replace A in %s with other letters:" % str1 )
# go from B to Z
for n in range(66, 91):
    ch = chr(n)
    if ch == 'Q':      # special case Q, use Qu
        ch = ch + 'u'
    if ch == 'F':      # skip the F word
        continue
    else:
        print( str1.replace('A', ch) )

# if you are on the internet you can access the HTML code of a given web site
# using the urlopen() method/function from the module urllib2
# tested with Python 2.5.4
 
import urllib2
 
urlStr = 'http://www.python.org/'
try:
    fileHandle = urllib2.urlopen(urlStr)
    str1 = fileHandle.read()
    fileHandle.close()
    print '-'*50
    print 'HTML code of URL =', urlStr
    print '-'*50
except IOError:
    print 'Cannot open URL %s for reading' % urlStr
    str1 = 'error!'
 
print str1

# get html code of given URL
# Python3 uses urllib.request.urlopen()
# instead of Python2's urllib.urlopen() or urllib2.urlopen()
# also urllib is a package in Python3 
# tested with Python 3.1
 
import urllib.request
 
fp = urllib.request.urlopen("http://www.python.org")
# Python3 does not read the html code as string
# but as html code bytearray
mybytes = fp.read()
fp.close()
 
# try utf8 to decode the bytearray to a string
mystr = mybytes.decode("utf8")
print(mystr)

# are we connected to the internet?
# tested with Python 2.5.4
 
import os
 
def isSSL():
    """ return true if there is a SSL (https) connection """
    if (os.environ.get('SSL_PROTOCOL', '') != ''):
        return true
    else:
        return false
 
if isSSL:
    print( "We have a SSL connection" )
else:
    print( "No SSL connection" )

# how many days old is this person?
 
from datetime import date
 
# a typical birthday  year, month, day
# or change it to your own birthday...
birthday = date(1983, 12, 31)
 
now = date.today()
 
print( '-'*30 )  # 30 dashes
print( "Today's date is", now.strftime("%d%b%Y") )
print( "Your birthday was on", birthday.strftime("%d%b%Y") )
 
# calculate your age
age = now - birthday
print( "You are", age.days, "days old" )

# calculate days till xmas
 
from datetime import date
 
now = date.today()
 
# you may need to change the year later
xmas = date(2005, 12, 25)
 
tillXmas = xmas - now
 
print( '-'*30 )  # 30 dashes
print( "There are", tillXmas.days, "shopping days till xmas!" )

# add days to a given date
 
from datetime import date, timedelta
 
now = date.today()
 
delta = timedelta(days=77)
 
addDays = now + delta
 
print( '-'*30 )  # 30 dashes
print( "Today's date is   :", now.strftime("%d%b%Y") )
print( "77 days from today:", addDays.strftime("%d%b%Y") )

# call it "all the same"
 
num1 = 12345679 # the 8 is left out!
 
# k goes from 9 to <82 in steps of 9
for k in range(9, 82, 9):
    print( num1 * k )

# create a jumbled word/string
# tested with Python 2.5.4
 
import random 
 
# create a sequence, here a tuple, of words to choose from 
WORDS = ("python", "jumble", "easy", "difficult", "answer", "babysitter") 
 
# pick one word randomly from the sequence 
word = random.choice(WORDS) 
 
# create a variable to use later to see if the guess is correct 
correct = word 
 
# create a jumbled version of the word
# start with an empty string to be built up in the while loop
jumble = ""
# word is reduced in size by one character each time through the loop
# when it is empty it will be equal to None(False) and the loop stops
while word:
    print( word, '  ', jumble )   # for test only
    position = random.randrange(len(word)) 
    jumble += word[position] 
    word = word[:position] + word[(position + 1):]
 
 
print( jumble  )  # now you can ask to guess the word ...

str1 = 'Hello World!'
str1[0] = "J"  # gives TypeError: object does not support item assignment

str1 = 'Hello World!'
# these statements give the intended result, since they create a new string
# slicing and concatination
str2 = 'J' + str1[1:]
# using replace()
str3 = str1.replace('H', 'J')
# or change the string to a list of characters, do the operation, and join the 
# changed list back to a string
charList = list(str1)
charList[0] = 'J'
str4 = "".join(charList)
 
print( str1 )
print( str2 )
print( str3 )
print( str4 )

# just a little word fun ...
import random
str1 = "Mississippi"
charList = list(str1)
random.shuffle(charList)
str2 = "".join(charList)
print( "\nString '%s' after random shuffle = '%s'" % (str1, str2) )

import MyPyFile # converts MyPyFile.py to MyPyFile.pyc

# create a byte code compiled python file
 
import py_compile
py_compile.compile("MyPyFile.py") # creates MyPyFile.pyc