Pippy: Difference between revisions
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'Sugar': 'Marco Presenti Gritti, Dan Williams, Chris Blizzard, John Palmieri, Lisa Strausfeld, Christian Marc Schmidt, Takaaki Okada, Eben Eliason, Walter Bender, Tomeu Vizoso, Simon Schampijer, Reinier Heeres...', |
'Sugar': 'Marco Presenti Gritti, Dan Williams, Chris Blizzard, John Palmieri, Lisa Strausfeld, Christian Marc Schmidt, Takaaki Okada, Eben Eliason, Walter Bender, Tomeu Vizoso, Simon Schampijer, Reinier Heeres...', |
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'Activities': 'Erik Blankinship, Bakhtiar Mikhak, Manusheel Gupta, J.M. Maurer (uwog) and the Abiword team, the Mozilla team, Jean Piche, Barry Vercoe, Richard Boulanger, Greg Thompson, Arjun Sarwal, the MaMaMedia team [Shannon, Idit], John Huang, Bruno Coudoin, ...', |
'Activities': 'Erik Blankinship, Bakhtiar Mikhak, Manusheel Gupta, J.M. Maurer (uwog) and the Abiword team, the Mozilla team, Jean Piche, Barry Vercoe, Richard Boulanger, Greg Thompson, Arjun Sarwal, the MaMaMedia team [Shannon, Idit], John Huang, Bruno Coudoin, ...', |
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'Network': 'Michael Bletsas, James Cameron, Javier Cardona, Ronak Chokshi, |
'Network': 'Michael Bletsas, James Cameron, Javier Cardona, Ronak Chokshi, Polychronis Ypodimatopoulos, ...', |
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'Security': 'Ivan Krstic, Michael Stone, Scott Ananian, Noah Kantrowitz, Herbert Poetzl, Marcus Leech, ...', |
'Security': 'Ivan Krstic, Michael Stone, Scott Ananian, Noah Kantrowitz, Herbert Poetzl, Marcus Leech, ...', |
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'Content': 'SJ Klein, Mako Hill, Xavier Alvarez, Sayamindu Dasgupta, Mallory Chua, Lauren Klein, Zdenek Broz, Felicity Tepper, Andy Sisson, Christine Madsen, Matthew Steven Carlos, Justin Thorp, Ian Bicking, Christopher Fabian, Wayne Mackintosh, the OurStories team, ...', |
'Content': 'SJ Klein, Mako Hill, Xavier Alvarez, Sayamindu Dasgupta, Mallory Chua, Lauren Klein, Zdenek Broz, Felicity Tepper, Andy Sisson, Christine Madsen, Matthew Steven Carlos, Justin Thorp, Ian Bicking, Christopher Fabian, Wayne Mackintosh, the OurStories team, ...', |
Revision as of 21:48, 1 November 2007
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Description & Goals
Summary
Teaches Python programming by providing access to a fully interactive Python interpreter.?
The user can type simple expressions with some mathematical functions and execute the expression. This means that there is some overlap between Pippy and Calculate.
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Goals
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Collaboration
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Examples
Please add examples here, or modify the existing ones!
Math
Apples
Author: Madeleine Ball
print "Let's do math!" print "On Monday I picked 22 apples. On Tuesday I picked 12." print "Now I have: ", 22 + 12 print "My brother says he picked twice as many apples last week." print "This means he picked: ", (22 + 12) * 2 print "I have 3 friends I would like to give apples." print "One third of my apples is about: ", (22 + 12) / 3 print "Or, more exactly: ", (22.0 + 12.0) / 3.0
Pascal
Author: Madeleine Ball
# Pascal's triangle lines = 8 vector = [1] for i in range(1,lines+1): vector.insert(0,0) vector.append(0) for i in range(0,lines): newvector = vector[:] for j in range(0,len(vector)-1): if (newvector[j] == 0): print " ", else: print "%2d" % newvector[j], newvector[j] = vector[j-1] + vector[j+1] print vector = newvector[:]
Sierpinski triangle
Author: Madeleine Ball
Modification of the Pascal's triangle program to produce Sierpinski triangles.
size = 5 modulus = 2 lines = modulus**size vector = [1] for i in range(1,lines+1): vector.insert(0,0) vector.append(0) for i in range(0,lines): newvector = vector[:] for j in range(0,len(vector)-1): if (newvector[j] == 0): print " ", else: remainder = newvector[j] % modulus if (remainder == 0): print "O", else: print ".", newvector[j] = vector[j-1] + vector[j+1] print vector = newvector[:]
Times1
Author: Chris Ball
for i in range(1,13): print i, "x 4 =", (i*4)
Times2
Author: Chris Ball
number = input("Which times table? ") for i in range(1,13): print i, "x", number, "=", i*number
Fibonacci Series
Author : Rafael Ortiz
a, b = 0, 1 while b < 1001: print b, a, b = b, a+b
Pythagoras
Author : Rafael Ortiz
import math from math import sqrt print "This is the Pythagoras Theorem" a=float(raw_input("Type a =")) b=float(raw_input("Type b =")) c=sqrt((a*a)+(b*b)) print "c =",c
Factorize
Author: Reinier Heeres
import math import sys orignum = input("Enter a number to factorize ") factors = [] num = orignum i = 2 while i <= math.sqrt(num): if num % i == 0: factors.append(i) num /= i i = 2 elif i == 2: i += 1 else: i += 2 factors.append(num) if len(factors) == 1: print "%d is prime" % orignum else: sys.stdout.write("%d is %d" % (orignum, factors[0])) for fac in factors[1:]: sys.stdout.write(" * %d" % fac) print
Zeros of a second degree polynomial
Author: Pilar Saenz
import math from math import sqrt print "These are the zeros of a second grade polynomial" a=float(raw_input("Type a =")) b=float(raw_input("Type b =")) c=float(raw_input("Type c =")) aux=b*b-4*a*c; if aux>0: x1=(-b+sqrt(aux))/(2*a) x2=(-b-sqrt(aux))/(2*a) print "x1= " , x1 ,", x2=" ,x2 elif aux==0: print "x= " , -b/(2*a) else: x1=(-b+sqrt(-aux)*1j)/(2*a) x2=(-b+sqrt(-aux)*1j)/(2*a) print "x1= " , x1 , ", x2" , x2
Factorial of a number
Author: Pilar Saenz
def factorial(a): fac=a for i in range(1,a): fac=fac*i print a,"!=",fac a=int(raw_input("Type a=")) factorial(a)
Greatest common divisor
Author: Pilar Saenz
n= input("Enter a number ") m= input("Enter another number ") r=n%m if r!=0: while (r!=0): n=m m=r r=n%m print "The greatest common divisor is ", m
Python
Function
Author: Chris Ball
def square(x): print x * x square(3) square(4)
If
Author: Chris Ball
number = input("Enter a number: ") if number > 5: print "Greater than 5" elif number < 5: print "Less than 5" else: print "Number is 5!"
Recursion
Author: Mel Chua
# Note this assumes you understand functions and if-else. def countbackwards(number): print "I have the number", number if number > 0: print "Calling countbackwards again!" countbackwards(number-1) else: print "I am done counting" number = input("Enter a number: ") countbackwards(number):
While
Author Pilar Saenz
n=input("enter a number") while n>0: print n, " ", n=n-1 print "Surprise!\n"
String
Hello1
Author: Chris Ball
print "Hello everyone!"
Hello2
Author: Chris Ball
name = raw_input("Type your name here: ") print "Hello " + name + "!"
Thanks
Author: Walter Bender
Comment: 1st pass—please add names as appropriate
table = { 'Hardware & Mechanicals': 'John Watlington, Mark Foster, Mary Lou Jepsen, Yves Behar, Bret Recor, Mitch Pergola, Martin Schnitzer, Kenneth Jewell, Kevin Young, Jacques Gagne, Nicholas Negroponte, Frank Lee, Victor Chau, Albert Hsu, HT Chen, Vance Ke, Ben Chuang, Johnson Huang, Sam Chang, Alex Chu, Roger Huang, Marvel Team, AMD team, ...', 'Firmware': 'Ron Minnich, Richard Smith, Mitch Bradley, Tom Sylla, Lilian Walter, Bruce Wang, ...', 'Kernel & Drivers': 'Jaya Kumar, Jon Corbet, Reynaldo Verdejo, Pierre Ossman, Dave Woodhouse, Matthew Garret, Chris Ball, Andy Tannenbaum, Linus Torvalds, Dave Jones, Andres Salomon, Marcelo Tosatti, ...', 'Graphics systems': 'Jordan Crouse, Daniel Stone, Zephaniah Hull, Bernardo Innocenti, Behdad Esfahbod, Jim Gettys, Adam Jackson, Behdad Esfahbod ...', 'Programming': 'Guido Van Rossum, Johan Dahlin, Brian Silverman, Alan Kay, Kim Rose, Bert Freudenberg, Yoshiki Ohshima, Takashi Yamamiya, Scott Wallace, Ted Kaehler, Stephane Ducasse, Hilaire Fernandes, ...', 'Sugar': 'Marco Presenti Gritti, Dan Williams, Chris Blizzard, John Palmieri, Lisa Strausfeld, Christian Marc Schmidt, Takaaki Okada, Eben Eliason, Walter Bender, Tomeu Vizoso, Simon Schampijer, Reinier Heeres...', 'Activities': 'Erik Blankinship, Bakhtiar Mikhak, Manusheel Gupta, J.M. Maurer (uwog) and the Abiword team, the Mozilla team, Jean Piche, Barry Vercoe, Richard Boulanger, Greg Thompson, Arjun Sarwal, the MaMaMedia team [Shannon, Idit], John Huang, Bruno Coudoin, ...', 'Network': 'Michael Bletsas, James Cameron, Javier Cardona, Ronak Chokshi, Polychronis Ypodimatopoulos, ...', 'Security': 'Ivan Krstic, Michael Stone, Scott Ananian, Noah Kantrowitz, Herbert Poetzl, Marcus Leech, ...', 'Content': 'SJ Klein, Mako Hill, Xavier Alvarez, Sayamindu Dasgupta, Mallory Chua, Lauren Klein, Zdenek Broz, Felicity Tepper, Andy Sisson, Christine Madsen, Matthew Steven Carlos, Justin Thorp, Ian Bicking, Christopher Fabian, Wayne Mackintosh, the OurStories team, ...', 'Testing': 'Kim Quirk, Alex Latham, Giannis Galanis, Ricardo Carrano, Zach Cerza, John Fuhrer', 'Country Support': 'Carla Gomez Monroy, David Cavallo, Matt Keller, Khaled Hassounah, Antonio Battro, Audrey Choi, Habib Kahn, Arnan (Roger) Sipitakiat', 'Administrative Support': 'Nia Lewis, Felice Gardner, Lindsay Petrillose, Jill Clarke, Julia Reynolds, Tracy Price, David Robertson, Danny Clark', 'Finance & Legal': 'Eben Moglen, Bruce Parker, William Kolb, John Sare, Sandra Lee, Richard Bernstein, Jaclyn Tsai, Jaime Cheng, Robert Fadel, Charles Kane (Grasshopper), Kathy Paur, Andriani Ferti', 'PR and Media': 'Larry Weber, Jackie Lustig, Jodi Petrie, George Snell, Kyle Austin, Hilary Meserole, Erick A. Betancourt, Michael Borosky, Sylvain Lefebvre, Martin Le Sauteur', 'Directors & Advisors': 'Howard Anderson, Rebecca Allen, Ayo Kusamotu, Jose Maria Aznar, V. Michael Bove, Jr., Rodrigo Mesquita, Seymour Papert, Ted Selker, Ethan Beard (Google); John Roese (Nortel); Dandy Hsu (Quanta); Marcelo Claure (Brightstar); Gary Dillabough (eBay); Gustavo Arenas (AMD); Mike Evans (Red Hat); Ed Horowitz (SES Astra); Jeremy Philips (NewsCorp); Scott Soong (Chi Lin); Sehat Sutardja (Marvell); Joe Jacobson (MIT Media Lab); Steve Kaufman (Riverside); Will Swope (Intel); and Tom Meredith (MFI)', 'Pippy': 'cjb' } print "OLPC would like to take this opportunity to acknowledge the community of people and projects that have made the XO laptop possible." for subsystem in table.keys(): print subsystem, '\t',table[subsystem]
Graphics
Jump
Author: C. Scott Ananian
# both of these functions should be in the 'basic' package or some such def clear_scr(): print '\x1B[H\x1B[J' # clear screen, the hard way. def wait(): import time time.sleep(0.1) # jumping man! # was having to escape the backslash which was rather unfortunate, # now using python's r" strings which were meant for regex's # i didn't have to do that in C64 BASIC for i in xrange(0,50): clear_scr() print r"\o/" print r"_|_" print r" " wait() clear_scr() print r"_o_" print r" | " print r"/ \" wait() clear_scr() print r" o " print r"/|\" print r"| |" wait() clear_scr() print r"_o_" print r" | " print r"/ \" wait()
Graphics
Jump
Author: C. Scott Ananian
# both of these functions should be in the 'basic' package or some such def clear_scr(): print '\x1B[H\x1B[J' # clear screen, the hard way. def wait(): import time time.sleep(0.1) # jumping man! # was having to escape the backslash which was rather unfortunate, # now using python's r" strings which were meant for regex's # i didn't have to do that in C64 BASIC for i in xrange(0,50): clear_scr() print r"\o/" print r"_|_" print r" " wait() clear_scr() print r"_o_" print r" | " print r"/ \" wait() clear_scr() print r" o " print r"/|\" print r"| |" wait() clear_scr() print r"_o_" print r" | " print r"/ \" wait()
Games
Guess a number
Author: Pilar Saenz
import random from random import randrange R = randrange(1,100) print "Guess a number between 1 and 100!!!" N = input("Enter a number: ") i=1 while (N!=R): if N>R : print "Too big... try again" else : print "Too small.. try again" N = input("Enter a number: ") i=i+1 print "You got it in ", i, "tries"