HW_seat.py

# import numpy
# numpy.arange(1,29)

seat = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
        18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28]
reserved_seat = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]


def count_available_seat():
    count = 0
    for i in range(len(reserved_seat)):
        if reserved_seat[i] == 0:
            count = count + 1
    print(f'the Number of available seat {count:^20}', end='\n')


def create_seat():
    f = open("seat.txt", "w+")
    for i in range(len(reserved_seat)):
        split = i + 1
        if reserved_seat[i] == 0:
            f.write("%d\t" % 0)
        else:
            f.write("%d\t" % 1)
        if split % 4 == 0:
            f.write("\n")
    f.close()
   # read_seat_from_file()


def read_seat_from_file():
    global reserved_seat
    seat_file = open("seat.txt")
    iteration = 0
    for line in seat_file:
        index = iteration
        for item in line.split('\t'):
            if item == "\n":
                continue
            reserved_seat[index] = int(item)
            index = index + 1
        iteration = iteration + 4
    seat_file.close()


def init_seat_file():
    try:
        f = open("seat.txt")
        f.close()
        read_seat_from_file()
    except FileNotFoundError:
        create_seat()


def display_seat_status():
    for i in range(len(reserved_seat)):
        split = i + 1
        if reserved_seat[i] == 0:
            print(f'[{seat[i]:^15}]', end='', )
        elif reserved_seat[i] == 1:
            print(f'{"Reserved":^17}', end='')
        if split % 4 == 0:
            print()


# return key if Reserved , else return -1
def find_seat(key):
    for i in range(len(reserved_seat)):
        if reserved_seat[key - 1] == 1:
            return key
        return -1


def do_reserved_seat(key):
    # global SeatAvail
    global reserved_seat
    if find_seat(key) < 0:
        reserved_seat[key - 1] = 1
        # SeatAvail = SeatAvail - 1
        create_seat()
    else:
        print("already Reserved ")


def delete_seat(key):
    # global SeatAvail
    global reserved_seat
    if find_seat(key) > 0:
        reserved_seat[key - 1] = 0
        create_seat()
        # SeatAvail = SeatAvail + 1
    else:
        print("Not Reserved")


def check_enter_key():
    key = input("Press Enter to Continue  -")
    while key:
        invalid_action()
        key = input("Press Enter to Continue - ")
    return True


'''

def enterkey():
    key = input("Press Enter to Continue : ")
    return True
    print(key)
    if key == "enter":
        return True
    return False
'''


def invalid_action():
    print("invalid Action")


def list_reserve_seat():
    display_seat_status()
    count_available_seat()
    seat_number = input("Please Enter required Number Of Seat ")
    # print(int(choice))
    # if int(choice) in range(len(booked_Matrix)):
    do_reserved_seat(int(seat_number))
    # else:
    #   print("out Of Range")


def list_delete_seat():
    display_seat_status()
    count_available_seat()
    seat_number = input("Please Enter required Number Of Seat ")
    # if int(choice) in range(len(booked_Matrix)):
    delete_seat(int(seat_number))
    # else:
    #   print("out Of Range")


init_seat_file()
flag = True
while flag:
    # DisplaySeats();
    print('''Hello Welcome to Bus seats:
    1: Display number of available seats.
    2: Display seat status for all seats.
    3: Reserve seat(s).
    4: Delete reservation(s).
    5: Exit.''')
    action = input("Please select your choice [1,2,3,4 or 5]: ")
    print(action)
    if action == "1":
        count_available_seat()
        check_enter_key()
        '''if check_enter_key():
            print(action)
        else:
            invalid_action()'''

    elif action == "2":
        display_seat_status()
        check_enter_key()
        '''if check_enter_key():
            print(action)
        else:
            invalid_action()'''
    elif action == "3":
        list_reserve_seat()
        check_enter_key()
        '''if check_enter_key():
            print(action)
        else:
            invalid_action()'''
    elif action == "4":
        list_delete_seat()
        check_enter_key()
        '''if check_enter_key():
            print(action)
        else:
            invalid_action()'''
    elif action == "5":
        flag = False
print("THANK YOU")