Why we need to use a Quotations Mark to make string

Answer 1

that's the program design, and it seem to be a standard for others too, this is just as similar as why do they use $ in php to me though

Answer 2

If not, how would you specify where the string starts and ends?

Answer 3

https://code.sololearn.com/cw6E6BHIk4pK/?ref=app