The knife’s edge that separates failure from success in life. That edge is your attitude, which has the power to help shape your reality.

You can have all the talent in the world, but with a weak mindset, you’re destined to fail. 
Your attitude shapes your reality.

I am  a professional programmer ( python)

You are spot on.
That's the blunt truth most people do not like to hear.
Attitude is the key

Right on. Attitude is one of the only things we have control over! Our attitude and how we respond to situations says everything about us.

Absolutely! A positive attitude can turn challenges into opportunities and obstacles into stepping stones.