IDLE Python won't run or open, neither will it state the error for behaving this way

[Terry Reedy]

On 7/16/2018 5:22 AM, Clarence Chanda wrote:
> HI, I downloaded python 3.7.0 from your python website

Which installer for what OS?

> and it was installed successfully and I was able to run/open python

How did you run it?

> but when I try to run/open IDLE python,

How?

> it just wont open or run, it wont even state the error causing this...

What did happen?
  > Please help me, how do I fix this?

Answer the above and the result of the following:
What happens if you try to start IDLE from a command-line 
terminal/console with python -m idlelib, where 'python' is the 
command-line command that runs 3.7.0?

-- 
Terry Jan Reedy