libswan

import random
import string
import pylab

WORDLIST_FILENAME = "words.txt"

def loadWords():
    print "Loading word list from file..."
    # inFile: file
    inFile = open(WORDLIST_FILENAME, 'r', 0)

libswan

import random
import string
import pylab
 
WORDLIST_FILENAME = "words.txt"
 
def loadWords():
    print "Loading word list from file..."
    # inFile: file
    inFile = open(WORDLIST_FILENAME, 'r', 0)

libswan

"""
This code will produce "The output of random.randint(1, 10) after a specific seed is shown below." 
"""
import random 
random.seed(9001)
print random.randint(1, 10)
print random.randint(1, 10)
print random.randint(1, 10)
print random.randint(1, 10)
print random.randint(1, 10)

libswan

import pylab

"""Rows 4 to 13 copied from l15-3.py - available in the lecture."""
#set line width
pylab.rcParams['lines.linewidth'] = 6
#set font size for titles 
pylab.rcParams['axes.titlesize'] = 20
#set font size for labels on axes
pylab.rcParams['axes.labelsize'] = 20
#set size of numbers on x-axis

libswan

# 6.00 Problem Set 9

import numpy
import random
import pylab
from ps8b_precompiled_27 import *

#
# PROBLEM 1
#        

libswan

import pylab
import random

def LV(numBalls, numTrials):
    finalSteps = []
    for i in range(numTrials):
        ballList = []
        steps = 0
        for i in range(numBalls):
            i = random.choice(['white', 'black'])

libswan

import pylab
import random

def MC(numBalls, numTrials):

    ballsStudiedList = []

    for i in range(numTrials):
        ballList = []
        ballListCopy = []

libswan

def rabbitGrowth():
    """ 
    rabbitGrowth is called once at the beginning of each time step.

    It makes use of the global variables: CURRENTRABBITPOP and MAXRABBITPOP.

    The global variable CURRENTRABBITPOP is modified by this procedure.

    For each rabbit, based on the probabilities in the problem set write-up, 
      a new rabbit may be born.

libswan

def rabbitGrowth():
    """
   rabbitGrowth is called once at the beginning of each time step.
 
   It makes use of the global variables: CURRENTRABBITPOP and MAXRABBITPOP.
 
   The global variable CURRENTRABBITPOP is modified by this procedure.
 
   For each rabbit, based on the probabilities in the problem set write-up,
     a new rabbit may be born.

libswan

def rabbitGrowth():
global CURRENTRABBITPOP
global MAXRABBITPOP
num = CURRENTRABBITPOP
for i in xrange(num):
    if random.random() < (1 - (float(CURRENTRABBITPOP) / MAXRABBITPOP)):
         CURRENTRABBITPOP += 1
def foxGrowth():
global CURRENTRABBITPOP
global CURRENTFOXPOP