Update readme File + change code for printf function #45
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Hello, world! is a character array rather a char.
It's better(I think) to call printf function one time, pass all arguments in one go rather than calling it 3 times. The output will be the same but as a beginner(like me) , its very important always to think of efficent and fast code exeuction from the get go.
update No of arguments condition
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Hello, world! is a character array rather a char. This distiguish is very important specially for beginners and those coming from other languages like JS where single and double quote is same thing.
I have also updated the code for printf because as a beginner , I think its very important to think of good and efficient code from the get go. Instead of calling the funciton 3 times , its better to call it one time , pass all arugments in one go.
I also added return statement. I have spent many hours as a beginner debugging functions I wrote to find out that I did not include a return statement for the value I have calculated in my function :)