```python
def ars_to_usd(ars_amount, exchange_rate):
return ars_amount / exchange_rate
def usd_to_ars(usd_amount, exchange_rate):
return usd_amount exchange_rate
假设当前汇率为1 USD = 100 ARS
exchange_rate = 100
示例：将1000 ARS换算成USD
ars_amount = 1000
usd_amount = ars_to_usd(ars_amount, exchange_rate)
print(f"{ars_amount
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