#!/usr/bin/env python
#------------------------------------------------------------------
# 	cancer.py
#
#	Here is a quickly written Python program that computes the
#	fraction of individuals among the United States population   
#	for the year 2007 who received a diagnosis of lung cancer. 
#
#		execute using:  $ python ./cancer.py
#
#	Sources (online): 
#	2007 Centers for Disease Control and Prevention statistics
#	and United States Census Bureau figures for 2000 and 2010.
#
#	programmer: ALLAN CRUSE
#	written on: 08 FEB 2011
#------------------------------------------------------------------

num_diagnoses = 203586.0
us_population = 300548447.0

proportion = num_diagnoses / us_population

print
print " The probability of a lung cancer diagnosis in 2007",
print "= %1.5f " % proportion 
print