def scholarship_1(initial_amount=15000, skip_years=4, ir=0.06, sr=(lambda n:0.03), it=10): """Calculate and output the scholarship payouts (among other things) given an interest rate and a scholarship rate function.""" total = initial_amount * ((1+ir)**(skip_years-1)) # we start from *just* before the fourth year's interest earnings for n in range(0, it): scholarship = sr(n) * total interest = ir * total total = total - scholarship + interest print "year: %d\nn: %d\ninterest: %f\nscholarship: %f\nleft over:" \ "%f\n\n" % (n+4, n, interest, scholarship, total)def scholarship_2(initial_amount=15000, skip_years=4, ir=0.06, sr=(lambda n:0.03), it=10): """Calculate and output the scholarship payouts (among other things) given an interest rate and a scholarship rate function.""" total = initial_amount * ((1+ir)**(skip_years-1)) for n in range(0, it): total = (1+ir) * total scholarship = sr(n) * total total -= scholarship print "year: %d\nn: %d\nscholarship: %f\nleft over:" \ "%f\n\n" % (n+4, n, scholarship, total)if __name__ == "__main__": print "method one: interest calculation, then scholarship, then deduct.\n" scholarship_1(sr=lambda n: (0.03 + (0.03 * n)), it=1) print "method two: calculate interest, add, calculate scholarship, deduct\n" scholarship_2(sr=lambda n: (0.03 + (0.03 * n)), it=1)