python汇率编程

python汇率编程

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据观察 小数2113点后只需保留两位有效数字

另：5261程序4102较1653简单，忽略了精度问题

def cal(money):

try:

money=float(money)

if money<0:raise ValueError

AUD=0.96*money

USD=0.75*money

Euro=0.67*money

DBP=0.496*money

except Exception,e:

print "ERROR!Please input valid money, we support positive numbers in String or Float or Integer"

else:

print "NZ$ %0.2f AUD %0.2f USD %0.2f EURO %0.2f GBP %0.2f"%(money,AUD,USD,Euro,DBP)

测试程序：

cal("99999")

输出： NZ$ 9999.00 AUD 9599.04 USD 7499.25 EURO 6699.33 GBP 4959.50

cal(99999)

输出： NZ$ 9999.00 AUD 9599.04 USD 7499.25 EURO 6699.33 GBP 4959.50

cal(99999.9999)

输出：NZ$ 10000.00 AUD 9600.00 USD 7500.00 EURO 6700.00 GBP 4960.00

cal(-10.99)

输出：ERROR!Please input valid money, we support positive numbers in String or Float or Integer