PYTHON ANSExplanation:print("CHOICE 1: Area of Circle")print("Choice 2: Perimeter of SQUARE")print("Choice 3: Perimeter of Rectangle")  print("Choice 4: Exit")print("\n")#Defining variableschoice = INT(input("Enter your choice: "))cm = "Circumference/Perimeter is: "  areaunit = "Area in square meters: "#Creating choiceswhile True:    if choice==4:        break        print("Thank you for your valuable time. Please do give a FEEDBACK.")        elif choice==1:            IMPORT math            r = float(input("Enter radius of circle: "))            area = (math.pi)*(r)*(2)            print(cm)            print(area)            print("\n")    elif choice==2:            import math            print("\n")            side = int(input("Enter the side of the square: "))            vol = (side*4)            print("\n")            print(cm)            print(vol)            print("\n")    elif choice==3:            import math            print("\n")            l = int(input("enter length of the rectangle: "))            b = int(input("Enter breadth of the rectangle: "))            print("\n")            volcy =2*(l+b)              print(volunit)            print(volcy)            print("\n")      #If incorrect/invalid choice is chosen    else:        print("Invalid choice. Please enter a valid chioce between 1 to 4.")        print("\n")        breakprint("Thank you for your valuable time. Please do give a feedback.")