cook.py

def teaspoons_to_tablespoons(teaspoons):
    return teaspoons * 1 / 3

def cups_to_milliliters(cups):
    return cups * 240

def cups_to_tablespoons(cups):
    return cups * 16

def fluid_ounces_to_milliliters(ounces):
    return ounces * 29.5735

def cook():
    print("\n" + "="*50)
    print(" Cooking Measurement Conversions ".center(50, "="))
    print("="*50)
    print("[1] Teaspoons to Tablespoons")
    print("[2] Cups to Milliliters")
    print("[3] Cups to Tablespoons")
    print("[4] Fluid Ounces to Milliliters")
    print("[5] Return to Main Menu")
    print("="*50)

def cook_tsp_tbsp():
    while True:
        try:
            print("\n" + "="*50)
            cooking_select = input("Enter an option (1-5): \n-- ")
            print("="*50)

            if not cooking_select.isdigit():
                print("="*50)
                print(" INVALID INPUT! Please enter a numeric value. ")
                print("="*50)
                continue  

            cooking_select = int(cooking_select)

            match cooking_select:
                case 1:  
                    while True:
                        tsp_to_tbsp = input("\n[Teaspoons to Tablespoons Conversion] \nEnter Teaspoon/s: ")

                        if not tsp_to_tbsp.replace(".", "", 1).isdigit():
                            print("="*50)
                            print(" INVALID INPUT! Please enter a numeric value. ")
                            print("="*50)
                            continue  

                        tsp_to_tbsp = float(tsp_to_tbsp)
                        print(f"{tsp_to_tbsp} Teaspoon/s is {teaspoons_to_tablespoons(tsp_to_tbsp):.2f} Tablespoon/s!")

                        while True:
                            back = input("\n[1] Choose another option \n[2] Stay \n[3] Return to Main Menu\n-- ")

                            if back.isdigit():
                                back = int(back)
                                if back == 1:
                                    return  
                                elif back == 2:
                                    break  
                                elif back == 3:
                                    print("\nReturning to Main menu...")
                                    return "RETURN_MAIN"  
                            else:
                                print("="*50)
                                print(" Invalid entry, Please choose 1, 2, or 3. ")
                                print("="*50)

                case 2:  
                    while True:
                        cup_to_mil = input("\n[Cups to Milliliters Conversion]\nEnter Cup/s: ")

                        if not cup_to_mil.replace(".", "", 1).isdigit():
                            print("="*50)
                            print(" INVALID INPUT! Please enter a numeric value. ")
                            print("="*50)
                            continue  

                        cup_to_mil = float(cup_to_mil)
                        print(f"{cup_to_mil} Cup/s is {cups_to_milliliters(cup_to_mil):.2f} Milliliters/s!")

                        while True:
                            back = input("\n[1] Choose another option \n[2] Stay \n[3] Return to Main Menu\n-- ")

                            if back.isdigit():
                                back = int(back)
                                if back == 1:
                                    return  
                                elif back == 2:
                                    break  
                                elif back == 3:
                                    print("\nReturning to Main menu...")
                                    return "RETURN_MAIN"  
                            else:
                                print("="*50)
                                print(" Invalid entry, Please choose 1, 2, or 3. ")
                                print("="*50)

                case 3:  
                    while True:
                        cup_to_tbsp = input("\n[Cups to Tablespoons Conversion]\nEnter Cup/s: ")

                        if not cup_to_tbsp.replace(".", "", 1).isdigit():
                            print("="*50)
                            print(" INVALID INPUT! Please enter a numeric value. ")
                            print("="*50)
                            continue  

                        cup_to_tbsp = float(cup_to_tbsp)
                        print(f"{cup_to_tbsp} Cup/s is {cups_to_tablespoons(cup_to_tbsp):.2f} Tablespoon/s!")

                        while True:
                            back = input("\n[1] Choose another option \n[2] Stay \n[3] Return to Main Menu\n-- ")

                            if back.isdigit():
                                back = int(back)
                                if back == 1:
                                    return  
                                elif back == 2:
                                    break  
                                elif back == 3:
                                    print("\nReturning to Main menu...")
                                    return "RETURN_MAIN"  
                            else:
                                print("="*50)
                                print(" Invalid entry, Please choose 1, 2, or 3. ")
                                print("="*50)

                case 4:  
                    while True:
                        ounces_to_mil = input("\n[Fluid Ounces to Milliliters Conversion]\nEnter Fluid Ounce/s: ")

                        if not ounces_to_mil.replace(".", "", 1).isdigit():
                            print("="*50)
                            print(" INVALID INPUT! Please enter a numeric value. ")
                            print("="*50)
                            continue  

                        ounces_to_mil = float(ounces_to_mil)
                        print(f"{ounces_to_mil} Fluid Ounce/s is {fluid_ounces_to_milliliters(ounces_to_mil):.2f} Milliliter/s!")

                        while True:
                            back = input("\n[1] Choose another option \n[2] Stay \n[3] Return to Main Menu\n-- ")

                            if back.isdigit():
                                back = int(back)
                                if back == 1:
                                    return  
                                elif back == 2:
                                    break  
                                elif back == 3:
                                    print("\nReturning to Main menu...")
                                    return "RETURN_MAIN"  
                            else:
                                print("="*50)
                                print(" Invalid entry, Please choose 1, 2, or 3. ")
                                print("="*50)

                case 5:  
                    print("\nReturning to main menu...")
                    return "RETURN_MAIN"

                case _:  
                    print("="*50)
                    print(" Enter a valid selection (1-5) ")
                    print("="*50)

        except ValueError:
            print("="*50)
            print(" INVALID INPUT! Enter a numeric value only. ")
            print("="*50)