practice.py

import time

name = True
while name:
    first_name = input('Kindly enter your first name: ')
    if first_name.isalpha():
        last_name = input('Kindly enter your last name: ')
        if last_name.isalpha():
            first_name = first_name.capitalize() + ' ' + last_name.capitalize()
        genderr = True
        while genderr:
            gender = input('Kindly enter your gender: ')
            if gender.lower() == 'male':
                print(f'''
                
                Hello Mr. {first_name}, welcome to TOSIANO restaurant!
                
                ''')
                name = False
                genderr = False
            elif gender.lower() == 'female':
                print(f'''
                
                Hello Madam {first_name}, welcome to TOSIANO restaurant!
                
                ''')
                name = False
                genderr = False
            else:
                print(f'Invalid gender, kindly enter Male or Female.')    
    else:
        print(f'Invalid name, name can only contain alphabetic characters.')
time.sleep(3)
print(f'''==========MENU============

* Jollof rice - 500 per portion
* Basmati fried rice - 1000 per portion
* Stir fried spaghetti - 800 per portion
* Yam and egg - 2500 per plate
* Asun goat meat - 3000 per portion
* Boiled egg - 500
* Beef - 500
* Peppered chicken - 3500
* Barbecue chicken - 3000
* Peppered turkey - 5000
* Goat meat - 2500
* Fish - 1500
* Plantain - 500 per portion''')

menu = ['Basmati fried rice', 'Jollof rice', 'Stir fried spaghetti', 'Yam and egg', 'Asun goat meat', 'Boiled egg', 'Beef', 'Peppered chicken', 'Barbecue chicken', 'Goat meat', 'Peppered turkey', 'Fish', 'Plantain']

prices = {
    'Basmati fried rice': 1000,
    'Jollof rice': 500,
    'Stir fried spaghetti': 800,
    'Yam and egg': 2500,
    'Asun goat meat': 3000,
    'Boiled egg': 500,
    'Beef': 500,
    'Peppered chicken': 3500,
    'Barbecue chicken': 3000,
    'Goat meat': 2500,
    'Peppered turkey': 5000,
    'Fish': 1500,
    'Plantain': 500
}

total_bill = 0 
receipt = []

order_1 = True
while order_1:
    order = input('What would you like to order?: ')
    match = None
    for food in menu:
        if food.lower() == order.lower():
            match = food
            break
    if match:
        portion_num = True
        while portion_num:
            portion_number = int(input(f'How many portions of {match} do you want?: '))
            if portion_number > 1 and portion_number <= 10:
                print(f'Alright!, {portion_number} portions of {match}')
                total_bill += portion_number * prices[match]
                receipt.append({
                    'item' : match,
                    'portions' : portion_number,
                    'price' : prices[match],
                    'sub_total' : portion_number * prices[match] 
                }) 
                order_1 = False
                portion_num = False
            elif portion_number == 1:
                print(f'Alright!, {portion_number} portion of {match}')
                total_bill += portion_number * prices[match] 
                receipt.append({
                    'item' : match,
                    'portions' : portion_number,
                    'price' : prices[match],
                    'sub_total' : portion_number * prices[match] 
                })
                order_1 = False
                portion_num = False
            else:
                print('Sorry, we can\'t sell more than 10 portions per person.')
    else:
        print('Sorry, we don\'t have that in the menu.')


ans = True
while ans:
    second_order = input('Would you like to order anything else?: ')
    if second_order.lower() == 'yes':
        order_2 = True
        while order_2:
            orderr_2 = input('What else would you like to order?: ')
            match = None
            for food in menu:
                if food.lower() == orderr_2.lower():
                    match = food
                    break
            if match:
                portion_num_2 = True
                while portion_num_2:
                    portion_numberr_2 = int(input(f'How many portions of {match} do you want?: '))
                    if portion_numberr_2 > 1 and portion_numberr_2 <= 10:
                        print(f'Alright!, {portion_numberr_2} portions of {match}')
                        total_bill += portion_numberr_2 * prices[match]
                        receipt.append({
                            'item' : match,
                            'portions' : portion_numberr_2,
                            'price' : prices[match],
                            'sub_total' : portion_numberr_2 * prices[match] 
                        }) 
                        order_2 = False
                        portion_num_2 = False
                    elif portion_numberr_2 == 1:
                        print(f'Alright!, {portion_numberr_2} portion of {match}')
                        total_bill += portion_numberr_2 * prices[match]
                        receipt.append({
                            'item' : match,
                            'portions' : portion_numberr_2,
                            'price' : prices[match],
                            'sub_total' : portion_numberr_2 * prices[match] 
                        })
                        order_2 = False
                        portion_num_2 = False
                    else:
                        print('Sorry, we can\'t sell more than 10 portions per person.')
            else:
                print('Sorry, we don\'t have that in the menu.')
    elif second_order.lower() == 'no':
        time.sleep(2)
        print('\n========== RECEIPT ==========')
        for order in receipt:
            print(f"{order['item']} x{order['portions']} @ {order['price']} = {order['sub_total']}")
        print('------------------------------')
        print(f'TOTAL: {total_bill}')
        print('==============================')
        print('Thank you for your patronage!')
        ans = False
    else:
        print('Please enter Yes or No.')