If the supplied number is not negative the function should find the square root of the value passed value using the proper Numpy function and return it rounded to 3 decimal places. If the passed number is negative, then the function should return a string with the value of the square root of the positive portion of the number concatenated with the letter ‘i’ to the right.

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A: The asked C program code is given in the next step.

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A: Given:

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A: Dear Student, The asked algorithm with explanation is given below -

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Control structures

Control structures are block of statements that analyze the value of variables and determine the flow of execution based on those values. When a program is running, the CPU executes the code line by line. After sometime, the program reaches the point where it has to make a decision on whether it has to go to another part of the code or repeat execution of certain part of the code. These results affect the flow of the program's code and these are called control structures.

Switch Statement

The switch statement is a key feature that is used by the programmers a lot in the world of programming and coding, as well as in information technology in general. The switch statement is a selection control mechanism that allows the variable value to change the order of the individual statements in the software execution via search.