quarter = 25 dime = 10 nickle = 5 penny = 1 bank = { quarter:100, dime:100, nickle:100, penny:100 } def default_change(): return { quarter:0, dime:0, nickle:0, penny:0 } def total(money): r = 0 for coin in money: r += money[coin] return r def make_change(to_break): if total(bank) < to_break: return {} r = default_change() for coin in bank: while bank[coin] > 0 and coin <= to_break: bank[coin] -= 1 r[coin] += 1 to_break -= coin return r for breaking in [100, 200, 201, 0, 1, 6, 11,24]: print "Amount in bank: {}".format(total(bank)) print "Available denominations: {}".format(bank) print "Breaking {}".format(breaking) print "Change made: {}".format(make_change(breaking))
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