Final answer:
Repetition is not required with single character strings as they already represent a single unit of data.
Step-by-step explanation:
Repetition is not required with just single character strings. In programming, repetition is often achieved through loops, but it is not necessary for single character strings because they already represent a single unit of data. For example, if the string 'a' is stored in a variable, there is no need to repeat it multiple times.