How can a variable be referenced when it is only partially named after another variable?

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In programming, partial variable names are often used as a convenient way to reference a specific variable without typing out its full name. This is typically done by using a prefix or suffix that is unique to the variable in question.

For example, suppose you have a set of variables named animal1, animal2, and animal3. Rather than typing out the full name of each variable every time you reference it, you could use a partial name like animal and a number to refer to each variable: animal1, animal2, and so on.

To reference a variable using a partial name, you can use a technique called string concatenation, which combines two or more strings into a single string. In most programming languages, you can concatenate strings using a plus sign (+) or some other operator.

For example, let's say you want to assign the value of animal1 to a new variable named myAnimal. You could do this using string concatenation like so:

var myAnimal = "animal" + 1;

In this case, the string "animal" and the number 1 are concatenated to create the string "animal1", which is then used to refer to the variable animal1.