整数转换成罗马数字 python

给定一个整数 $num$，将整数转换成罗马数字。

如 $1,2,3,4,5$ 对应的罗马数字分别为I，II，III，IV，V等，更详细的说明见此点击此链接。

输入格式

第一行输入一个整数 $num(1\le num\le 3999)$。

输出格式

输出 $num$ 对应的罗马数字。

样例输入

123

样例输出

CXXIII

c={0:("","I","II","III","IV","V","VI","VII","VIII","IX"),1:("","X","XX","XXX","XL","L","LX","LXX","LXXX","XC"),2:("","C","CC","CCC","CD","D","DC","DCC","DCCC","CM"),3:("","M","MM","MMM")}num=raw_input()num1=int(num)roman=[]roman.append(c[3][num1/1000%10])roman.append(c[2][num1/100%10])roman.append(c[1][num1/10%10])roman.append(c[0][num1%10])s=''for i in roman:s=s+iprint s