Python Forum

I renamed my main.py to __main__.py, as you can see on the above error message.

(Mar-05-2018, 06:28 AM)sylas Wrote: [ -> ]I renamed my main.py to __main__.py, as you can see on the above error message.

I can't see that on the error message because the error message says that it cannot find __main__, not that it finds __main__ and is unhappy with it.

Try the following experiment: create a folder foo containing a single file __main__.py with the following code

print('hello world')

Then run

Output:
python foo

in a console. It should print hello world. On my box (linux) it works both with python 3 and python 2.

 Directory of E:\Documents\foo

05/03/2018  08:19    <DIR>          .
05/03/2018  08:19    <DIR>          ..
05/03/2018  08:20                21 __main__.py
               1 File(s)             21 bytes
               2 Dir(s)  467 952 185 344 bytes free

E:\Documents\foo>python __main__.py
hello world

E:\Documents\foo>

---

Bravo Gribouillis. Your foo works well.

E:\Documents>python foo
hello world

E:\Documents>

I made a mistake while renaming on Py1 the famous __main__.py. So my new Py1 works very well with "python Py1". Thanks again to Gribouillis.