import math
import turtle
# functions go here...



# Functions go here
def string_check(question, valid_ans_list, num_letters):
    """Checks that users enter the full word
    or the 'n' letter/s of a word from a list of valid responses"""

    while True:

        response = input(question).lower()

        for item in valid_ans_list:
            if response == item:
                return item

            elif response == item[:num_letters]:
                return item
        print(f"Please choose an option from the list {valid_ans_list}")


# Functions go here
def int_check(question, low, high):

    error = f"Oops - please enter an number that is higher or equal to {low} and lower or equal to {high} ."

    while True:

        try:
            response = float(input(question))

            if response >= low <= high:
                return response

            else:
                print(error)

        except ValueError:
            print(error)



shape_list = ["circle", "square", "rectangle", "parallelogram", "exit"]


while True:
    shape_select = string_check("Pick a shape: ", shape_list, 1)
    print(f"You chose {shape_select}")
    if shape_select == shape_list[0]:
        radius = int_check("Enter radius: ", 1, 100)

        circumference = 2 * math.pi * radius
        area = math.pi * radius * radius
        shape = 'circle'
        circumference_round = round(circumference, 2)
        area_round = round(area, 2)
        print(f' The circumference of the circle is:{circumference_round}')
        print(f' The area of the circle is:{area_round}')
        turtle.circle(radius)
        turtle.exitonclick()

    elif shape_select == shape_list[1]:
        length = int_check("enter the size of your side: ", 0.1, 100)
        area = length * length
        shape = 'square'
        perimeter = length + length + length + length
        area_round = round(area, 2)
        perimeter_round = round(perimeter, 2)
        print(f' The area of the square is:{area_round}')
        print(f' The perimeter of the square is:{perimeter_round}')

    elif shape_select == shape_list[2]:
        first_length = int_check("enter the size of your first side: ", 0.1,
                                 100)
        second_length = int_check("enter the size of your second side: ", 0.1,
                                  100)
        area = first_length * second_length
        perimeter = first_length + first_length + second_length + second_length
        shape = 'rectangle'
        area_round = round(area, 2)
        perimeter_round = round(perimeter, 2)
        print(f' The area of the rectangle is:{area_round}')
        print(f' The perimeter of the rectangle is:{perimeter_round}')

    elif shape_select == shape_list[3]:
        length = int_check("enter the size of your side: ", 0.1, 100)
        height = int_check("enter the height of your shape: ", 0.1, 100)
        area = length * height
        perimeter = length + length + length + length
        shape = 'parallelogram'
        area_round = round(area, 2)
        perimeter_round = round(perimeter, 2)
        print(f' The area of the parallelogram is:{area_round}')
        print(f' The perimeter of the parallelogram is:{perimeter_round}')