Option C is the correct answer.
Readable code is easy to understand and useful to other programmers working with the code.
Explanation:
In Programming Language, by readable we mean that the written program must be Logical so that it could be followed easily. A readable code is indented and formatted in a proper way. Moreover all the variables used in a program/code are meaningful.
A readable code has a quality that it is easily understood by others(programmers and learners). It can be used again as functions in other programs because the working of a readable program is completely understood and could be moulded accordingly.
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