why return 0 is written at the code end?

Answers

•   
  

  From the context:

  return 0 - As mentioned earlier, the function main returns an integer value (int main()), therefore here we are returning 0. return is a keyword which is used to return some value from a function. It indicates that our program has been run successfully and we terminate our main function with this return statement. You will go through a whole chapter on functions, so just keep this structure in your mind to write programs and you will understand these all in a much better way in the Function chapter.

   

  
  

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