Naming your variables correctly can help solve a lot of problems in programs. Every once in a while you might come across the problem of not knowing what a variable does. You will have to backtrack and follow your program from the beginning. A way to solve this problem, however, is to name your variables a very easy-to-understand name. This can help reduce, if not eliminate, later forgetfulness.
When declaring and defining variables, make sure you come up with a name that easily describes what the variable does. For example, when writing the Hello World program, I could have easily named the variable anything. I could have chosen names like
i$ row$ howareyou$ _123$ hellostr$
but there is a reason I didn’t. For ...