How to parse list of integers
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Descripción
With argparse, you can do:
```
> python example.py --this 123
> python example.py --this 123 456
> python example.py --this 123 456 789
```
With Fire, how do you parse a list of integers (including a single element list) like argparse?
```
# example.py
import fire
def main(this: list[int]):
print(type(this), this)
if __name__ == '__main__':
fire.Fire(main)
```
```
> python example.py --this 123
123
> python example.py --this 123 456
ERROR: Could not consume arg: 456
> python example.py --this 123 456 789
ERROR: Could not consume arg: 456
```
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