Write a PYTHON program that displays the following menu:
Modularize your code using procedures, as discussed in section11.2. Use a loop to repeat the menu, as discussed in section 11.3.Validate the menu entry. Use the built in constant in theMath library for Pi (instead of putting theliteral value in your code).
Use defensive programming for this assignment. Your program should give the user an error and allow them to re-enter if they enter an unreasonable value (for example, a zero or negative radius for a circle, or an invalid menu choice). You may assume that the user will enter either an integer
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