Is there a way I can make a text which overwrite each other during the execution of a program:
Like If I want to create a program which chooses between Heads or Tails, I want during the execution of the program if I choose Head, then there will be a bit of animation like Head and tails text overwriting each other really quickly and I get the answer, I don’t know if you guys understand what I meant, cause I don’t know how to even Google that? 
Do you mean ‘HEADS’ and ‘TAILS’ printed to the screen rapidly? That’s quite easy but will probably print really fast without some explicit waiting added.
If this is for a webpage, you could just use some simple animation or gif. If it’s for the console, why bother?
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You could make it wait with the sleep function from the time module.
Yeah @florian I did something similar in this green screen sim:
Iirc I think the parameters have changed in 3.8 so time is ms not sec. which is more standard.
I think @gpkesley has a good solution, but you just use \r to make the cursor go to the column 0 of the line, then overwrite it. I think I have a tiny bit of code in the book that does this as a joke to make a spinner on the terminal.