设计一个python程序，计算人民币与其它货币之间汇率的兑换关系

两者为同向关系。人民币币值高则汇率也高。汇率是指本币与外币之间的比值。当人民币币值升高时，势必在同等汇率下，一定本币可以兑换外币，这就是人民币汇率高的表现。也就是说人民币币值高是汇率高的前提，汇率是币值的表现。

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拓展资料

汇率是指一国货币与另一国货币的比率或比价，或者说是用一国货币表示的另一国货币的价格。汇率变动对一国进出口贸易有着直接的调节作用。在一定条件下，通过使本国货币对外贬值，即让汇率下降，会起到促进出口、限制进口的作用;反之,本国货币对外升值，即汇率上升,则起到限制出口、增加进口的作用。

资料来源：百度百科

求python代码。货币转换人民币对美元。格式为： 人民币：20 美元：xxx

#获取实时汇率，根据汇率换算

import requests

import re

import json

url='?     query=1%E7%BE%8E%E5%85%83%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%E4%BA%BA%E6%B0%91%E5%B8%81co=resource_id=6017t=1560336236210cardId=6017ie=utf8oe=gbkcb=op_aladdin_callbackformat=jsontn=baiducb=jQuery110201293669134906772_1560336178301_=1560336178313'

res=requests.get(url)

res.coding='gbk'

changge=res.text

changge=re.findall('\{.*\}',changge)

changge=json.loads(changge[0])

changge=changge['data'][0]['content2']

n=re.findall('1人民币元=(.*)美元',changge)

n=float(n[0])

usd=rnb/n

print('人民币：{0} 美元：{1}'.format(rnb,round(usd,2)))

求解答python，编写程序1元人民币换成1分、2分、5分有多少种方案，并展示出来是哪些方案

刚刚回答错了，分看成了角，下面是正确的

money = 1

count = 0

print('\t\t1分\t2分\t5分\(张)')

def jihua(money):

global count

for i in range(100):

for j in range(100):

for n in range(100):

if i * 0.01 + j * 0.02 + n * 0.05 == money:

count += 1

print('方案%d\t%d\t%d\t%d'

% (count, i, j, n))

jihua(money)

print('有%d种方案。' % count)

用python 怎么 解 将100元兑换为1元、5、10元的零钱，请问有多少种兑换方法？

cnt = 0

for i in xrange(100 / 1 + 1):

for j in xrange((100 - i * 1) / 5 + 1):

for k in xrange ((100 - i * 1 + j * 5) / 10 + 1):

if i * 1 + j * 5 + k * 10 == 100:

print "1:", i, "5:", j, "10:", k

cnt += 1

print cnt

结果如下，总共121种

1: 0 5: 0 10: 10

1: 0 5: 2 10: 9

1: 0 5: 4 10: 8

1: 0 5: 6 10: 7

1: 0 5: 8 10: 6

1: 0 5: 10 10: 5

1: 0 5: 12 10: 4

1: 0 5: 14 10: 3

1: 0 5: 16 10: 2

1: 0 5: 18 10: 1

1: 0 5: 20 10: 0

1: 5 5: 1 10: 9

1: 5 5: 3 10: 8

1: 5 5: 5 10: 7

1: 5 5: 7 10: 6

1: 5 5: 9 10: 5

1: 5 5: 11 10: 4

1: 5 5: 13 10: 3

1: 5 5: 15 10: 2

1: 5 5: 17 10: 1

1: 5 5: 19 10: 0

1: 10 5: 0 10: 9

1: 10 5: 2 10: 8

1: 10 5: 4 10: 7

1: 10 5: 6 10: 6

1: 10 5: 8 10: 5

1: 10 5: 10 10: 4

1: 10 5: 12 10: 3

1: 10 5: 14 10: 2

1: 10 5: 16 10: 1

1: 10 5: 18 10: 0

1: 15 5: 1 10: 8

1: 15 5: 3 10: 7

1: 15 5: 5 10: 6

1: 15 5: 7 10: 5

1: 15 5: 9 10: 4

1: 15 5: 11 10: 3

1: 15 5: 13 10: 2

1: 15 5: 15 10: 1

1: 15 5: 17 10: 0

1: 20 5: 0 10: 8

1: 20 5: 2 10: 7

1: 20 5: 4 10: 6

1: 20 5: 6 10: 5

1: 20 5: 8 10: 4

1: 20 5: 10 10: 3

1: 20 5: 12 10: 2

1: 20 5: 14 10: 1

1: 20 5: 16 10: 0

1: 25 5: 1 10: 7

1: 25 5: 3 10: 6

1: 25 5: 5 10: 5

1: 25 5: 7 10: 4

1: 25 5: 9 10: 3

1: 25 5: 11 10: 2

1: 25 5: 13 10: 1

1: 25 5: 15 10: 0

1: 30 5: 0 10: 7

1: 30 5: 2 10: 6

1: 30 5: 4 10: 5

1: 30 5: 6 10: 4

1: 30 5: 8 10: 3

1: 30 5: 10 10: 2

1: 30 5: 12 10: 1

1: 30 5: 14 10: 0

1: 35 5: 1 10: 6

1: 35 5: 3 10: 5

1: 35 5: 5 10: 4

1: 35 5: 7 10: 3

1: 35 5: 9 10: 2

1: 35 5: 11 10: 1

1: 35 5: 13 10: 0

1: 40 5: 0 10: 6

1: 40 5: 2 10: 5

1: 40 5: 4 10: 4

1: 40 5: 6 10: 3

1: 40 5: 8 10: 2

1: 40 5: 10 10: 1

1: 40 5: 12 10: 0

1: 45 5: 1 10: 5

1: 45 5: 3 10: 4

1: 45 5: 5 10: 3

1: 45 5: 7 10: 2

1: 45 5: 9 10: 1

1: 45 5: 11 10: 0

1: 50 5: 0 10: 5

1: 50 5: 2 10: 4

1: 50 5: 4 10: 3

1: 50 5: 6 10: 2

1: 50 5: 8 10: 1

1: 50 5: 10 10: 0

1: 55 5: 1 10: 4

1: 55 5: 3 10: 3

1: 55 5: 5 10: 2

1: 55 5: 7 10: 1

1: 55 5: 9 10: 0

1: 60 5: 0 10: 4

1: 60 5: 2 10: 3

1: 60 5: 4 10: 2

1: 60 5: 6 10: 1

1: 60 5: 8 10: 0

1: 65 5: 1 10: 3

1: 65 5: 3 10: 2

1: 65 5: 5 10: 1

1: 65 5: 7 10: 0

1: 70 5: 0 10: 3

1: 70 5: 2 10: 2

1: 70 5: 4 10: 1

1: 70 5: 6 10: 0

1: 75 5: 1 10: 2

1: 75 5: 3 10: 1

1: 75 5: 5 10: 0

1: 80 5: 0 10: 2

1: 80 5: 2 10: 1

1: 80 5: 4 10: 0

1: 85 5: 1 10: 1

1: 85 5: 3 10: 0

1: 90 5: 0 10: 1

1: 90 5: 2 10: 0

1: 95 5: 1 10: 0

1: 100 5: 0 10: 0

121

用python程序设计美元和人民币转换

这种情况的话是完全没有任何问题的，你可以选择固定的公式进行计算，就完全可以达到一个好的效果。

python美元和人民币汇率

hunv=6.68

my=float(input("请输入美元的数量："))

print("%.2f美元可以兑换%.2f元的人名币"%(my,my*hunv))

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