money模块对货币进行简单的包装，实现简单的货币计算 安装
pip install money
代码示例
from money import Money
m1 = Money("2.0", "RMB")
print(m1) # RMB 2.00
print(m1.amount) # 2.0
print(m1.currency) # RMB
m2 = Money("1.0", "RMB")
print(m1 + m2)
# RMB 3.00
项目地址：https://github.com/carlospalol/money
