$(3)$ Square

If the user input $1,$ ask the user to input the width and length of the

rectangle, and then print the shape name $($Rectangle$)$ and the area.

If the user input $2,$ ask the user to input the radius of the circle. Then print

the shape name $($Circle$)$ and the area.

If the user input $3,$ ask the user to input the side length, and then print the

shape name $($Square$)$ and the area.

Page $15$ of $60$

AUT COMP$603/$ENSE$600$ PDC$/$SC Tutorials

If the user input other numbers, print out "Wrong input" and terminate the

program

If the user input other characters, print out "Invalid input. Not an integer"

and terminate the program.

Find codes from Google$/$Bing

You may be aware that the output of ShapeCalculator$1$ is as follows:

You want to format the decimal number, always keeping three decimal places.

Search Google or Bing to find out how to achieve this, making the output like the

follows:

Circle

$19\mathrm{.}635$

Rectangle

$198\mathrm{.}000$

Square

$10\mathrm{.}890$