should One say this ?

[Mohammad Salek Parvez]

here a programmer speaks of himself : 
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I've lied in all of my job interviews, and often lie when it comes to projects. Here it is:

Them: "Can you do this?"
Me: "Yes."

I then spend the next two weeks learning how to do it. The vast majority of my knowledge, skill, and experience has come via this process.
: Peter Korolov, I am a full-time computer programmer,

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 but should 1 say this ?I don't know . only programmers can rate this.