How to run a python program in a shell without typing "python"

Question

I am new to python. I wrote a program which can be executed by typing `python Filecount.py ${argument}` Why I see my teacher can run a program by only typing `Filecount.py ${argument}`. How to achieve that?

Accepted Answer

Make it executable

```
chmod +x Filecount.py
```

and add a hashbang to the top of `Filecount.py` which lets the os know that you want to use the python interpreter to execute the file.

```
#!/usr/bin/env python
```

Then run it like

```
./Filecount.py args
```

How to run a python program in a shell without typing "python"

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