Obama Romney tax script

gistfile1.py

#!/usr/bin/env python
import sys

def calc_tax(agi, multiplier=1):
    tax=0
    table = {
            0: [ 17400, 10 ],
            17400: [ 70700, 15 ],
            70700: [142700, 25 ],
            142700: [ 217450, 28 ],
            217450: [ 388350, 33 ],
            388350: [ 999999999999999, 38 ]
    }

    for s,m in sorted(table.items()):
        if agi < s:
            break
        taxable = min(agi, m[0]) - s
        tax += taxable * (m[1]/100.0) * multiplier
        print "Taxed on income %i-%i at %i%%" % (s, taxable, m[1] * multiplier)
    return tax

income = int(sys.argv[1])
print "Calcuating for income: %s" % (income, )

obama = calc_tax(income, 1)
print "--------------------------------------"
print "Total amount taxed (Obama): $%i" % (obama, )
print "Percentage of AGI toward taxes: %i%%" % (obama/income * 100, )
print "--------------------------------------"

romney = calc_tax(income, .80)
print "--------------------------------------"
print "Total amount taxed (Romney): $%i" % (romney, )
print "Percentage of AGI toward taxes: %i%%" % (romney/income * 100, )
print "--------------------------------------"

print "--------------------------------------"
print "Difference: $%i - %i %%" % (obama - romney, 100 - romney / obama * 100.0)
print "--------------------------------------"