ijoij

#Starting program...
#Importing time module for title screen:
import time
import sys

#Define some variables
a1= 0
a2= 0

#Making 'on' and 'off' switches for result outputs:
Result_2= 0
Result_3= 0

#Title screen:
#Made up of 0.1 sec delays and layers of text 'stacked' on eachother
print('/$$$$$$$                /$$                    /$$           /$$$$$$$            /$$    /$$')
time.sleep(0.1)
print('| $$__  $$              | $$                   | $$          | $$__  $$          | $$   | $$')
time.sleep(0.1)
print('| $$  \ $$/$$   /$$ /$$$$$$$ /$$$$$$  /$$$$$$ /$$$$$$        | $$  \ $$/$$   /$$/$$$$$$ | $$$$$$$  /$$$$$$ /$$$$$$$')
time.sleep(0.1)
print('| $$$$$$$| $$  | $$/$$__  $$/$$__  $$/$$__  $|_  $$_/        | $$$$$$$| $$  | $|_  $$_/ | $$__  $$/$$__  $| $$__  $$')
time.sleep(0.1)
print('| $$__  $| $$  | $| $$  | $| $$  \ $| $$$$$$$$ | $$          | $$____/| $$  | $$ | $$   | $$  \ $| $$  \ $| $$  \ $$')
time.sleep(0.1)
print('| $$  \ $| $$  | $| $$  | $| $$  | $| $$_____/ | $$ /$$      | $$     | $$  | $$ | $$ /$| $$  | $| $$  | $| $$  | $$')
time.sleep(0.1)
print('| $$$$$$$|  $$$$$$|  $$$$$$|  $$$$$$|  $$$$$$$ |  $$$$/      | $$     |  $$$$$$$ |  $$$$| $$  | $|  $$$$$$| $$  | $$')
time.sleep(0.1)
print('|_______/ \______/ \_______/\____  $$\_______/  \___/        |__/      \____  $$  \___/ |__/  |__/\______/|__/  |__/')
time.sleep(0.1)
print('                            /$$  \ $$                                  /$$  | $$')
time.sleep(0.1)
print('                           |  $$$$$$/                                 |  $$$$$$/')
time.sleep(0.1)
print('                            \______/                                   \______/')

print('')
print('_________________________________________________________')
print('IF YOU WISH TO EXIT THE PROGRAM AT ANY TIME PRESS CTRL+C')
print('---------------------------------------------------------')
print('')
input('[BEGIN?]') #Makeshift 'Begin' button

while True:
  print('')
  print('[ITEM A COST]') #Code Subheading

  #Start Infinite loop
  while True:
    try:
      #Input prompt
      temp_a1= float(input("What is the cost of item [a]: $")) #Save input float as 'temporary'
    except ValueError: #Error exception:
      print('')
      #Error prompt
      print('Please Enter a Number')
      #Returns to start of the loop
    else:
      #Code is parsed
      break
      #Break and exit loop

  #Start Infinite loop
  while True:
    #Input prompt
    discount1= input("Does item [a] have a discount? (y/n): ")
    #'y' or 'n' Input
    if discount1 == 'y' or discount1 == 'n':
      #Code is parsed
      break
      #Break and exit loop
    else:
      print('')
      #Error prompt
      print('Please type in "y" to answer "Yes" and type in "n" to answer "No"')

  if discount1 == 'n': #Inputted 'n'
    a1= temp_a1 #Make temporary value 'real' value

  if discount1 == 'y': #Inputted 'y'
    print('')
    print('[ITEM A DISCOUNT]') #Code Subheading
    #Input prompt
    q1 = input("Is the discount for item [a] percentage or a 'before and after' discount? (%/$): ")
    #'%' or '$' Input

    if q1 == '%': #Inputted '%'
      #Start Infinite loop
      while True:
        try:
          #input prompt
          p1= float(input('What is the percentage discount?: %')) #Input float for percentage discount
        except ValueError: #Error exception:
          print('')
          #Error prompt
          print('Please Enter a Number from 0-100')
        if p1 > 100 or p1 < 0: #Incorrect input
          print('')
          #Error prompt
          print('Please Enter a Number from 0-100')
        else:
          d1= (p1/100)*temp_a1 #Divide inputted percentage by 100 and multiply by item price to find discount amount
          a1= temp_a1-d1 #Take discount from inputted price to get actual price
          Result_3= 1 #Allows output for result 3
          Result_2= 1 #Allows output for result 2
          #Rounding values
          d1= round(d1, 2)
          a1= round(a1, 2)
          print('You have saved $' + str(d1))
          print('Item [a] is now $' + str(a1))
          break
          #Break and exit loop

    if q1 == '$': #Inputted '$'
      #Start Infinite loop
      while True:
        try:
          #input prompt
          b4_price1= float(input('What was the price of item [a] before the discount?: $')) #Input float for before price
        except ValueError:
          print('')
          print('Please Enter a Number')
        else:
          break
      while True:
        try:
          #input prompt
          after_price1= float(input('What was the price of item [a] after the discount?: $')) #Input float for after price
        except ValueError: #Error exception:
          print('')
          #Error prompt
          print('Please Enter a Number')
        else:
          break
          #Break and exit loop
      temp_a1= a1
      #Rounding values
      a1= round(a1, 2)
      p1= (after_price1/b4_price1)*100
      d1= after_price1-b4_price1
      d1= round(d1, 2)
      print('The percentage discount on item [a] is %' + str(round(p1, 2)))


  print('')
  print('[ITEM B COST]') #Code Subheading

  #Start Infinite loop
  while True:
    try:
      #Input prompt
      temp_a2= float(input("What is the cost of item [b]: $")) #Save input float as 'temporary'
    except ValueError: #Error exception:
      print('')
      #Error prompt
      print('Please Enter a Number')
      #Returns to start of the loop
    else:
      #Code is parsed
      break
      #Break and exit loop

  #Start Infinite loop
  while True:
    #Input prompt
    discount2= input("Does item [b] have a discount? (y/n): ")
    #'y' or 'n' Input
    if discount2 == 'y' or discount2 == 'n':
      #Code is parsed
      break
      #Break and exit loop
    else:
      print('')
      #Error prompt
      print('Please type in "y" to answer "Yes" and type in "n" to answer "No"')

  if discount2 == 'n': #Inputted 'n'
    a2= temp_a2 #Make temporary value 'real' value

  if discount2 == 'y': #Inputted 'y'
    print('')
    print('[ITEM B DISCOUNT]') #Code Subheading
    #Input prompt
    q2 = input("Is the discount for item [b] percentage or a 'before and after' discount? (%/$): ")
    #'%' or '$' Input

    if q2 == '%': #Inputted '%'
      #Start Infinite loop
      while True:
        try:
          #input prompt
          p2= float(input('What is the percentage discount?: %')) #Input float for percentage discount
        except ValueError: #Error exception:
          print('')
          #Error prompt
          print('Please Enter a Number from 0-100')
        if p2 > 100 or p2 < 0: #Incorrect input
          print('')
          #Error prompt
          print('Please Enter a Number from 0-100')
        else:
          d2= (p2/100)*temp_a2 #Divide inputted percentage by 100 and multiply by item price to find discount amount
          a2= temp_a2-d2 #Take discount from inputted price to get actual price
          Result_3= 1 #Allows output for result 3
          Result_2= 1 #Allows output for result 2
          #Rounding values
          d2= round(d2, 2)
          a2= round(a2, 2)
          print('You have saved $' + str(d2))
          print('Item [b] is now $' + str(a2))
          break
          #Break and exit loop

    if q2 == '$': #Inputted '$'
      #Start Infinite loop
      while True:
        try:
          #input prompt
          b4_price2= float(input('What was the price of item [b] before the discount?: $')) #Input float for before price
        except ValueError:
          print('')
          print('Please Enter a Number')
        else:
          break
      while True:
        try:
          #input prompt
          after_price2= float(input('What was the price of item [b] after the discount?: $')) #Input float for after price
        except ValueError: #Error exception:
          print('')
          #Error prompt
          print('Please Enter a Number')
        else:
          break
          #Break and exit loop
      #Rounding values
      a2= round(a2, 2)
      temp_a2= a2
      p2= (after_price2/b4_price2)*100
      d2= after_price2-b4_price2
      d2= round(d2, 2)
      print('The percentage discount on item [a] is %' + str(round(p1, 2)))

  print('')
  print('[QUANTITY]') #Code Subheading
  while True: #Start Infinite loop
        try:
          #Input prompt
          b1= float(input("How many units does item [a] have?: ")) #Input float for unit quantity
        except ValueError: #Error exception:
          #Error prompt
          print('Please Enter a Number')
        else:
          break
          #Break and exit loop

  while True: #Start Infinite loop
        try:
          #Input prompt
          b2= float(input("How many units does item [b] have?: ")) #Input float for unit quantity
        except ValueError: #Error exception:
          print('Please Enter a Number')
          #Error prompt
        else:
          break
          #Break and exit loop

  #Division to get value of both products
  a3= a1/b1
  b3= a2/b2

  #Outputs:
  if a3 > b3:
    print('')
    print('[BEST BUY]')
    print('Item [b] is cheaper than item [a].')
  if b3 > a3:
    print('')
    print('[BEST BUY]')
    print('Item [a] is cheaper than item [b].')
  if b3 == a3:
    print('')
    print('[BEST BUY]')
    print('Item [a] and item [b] are the same price.')

  if Result_2 == 1:
    if d1 > d2:
      print('Item [a] saves you more money than item [b].')
    if d1 < d2:
      print('Item [b] saves you more money than item [a].')
    if d1 == d2:
      print('Item [a] and item [b] save you the same amount of money.')

  if Result_3 == 1:
    if p1 > p2:
      print('Item [a] saves you a bigger percentage than item [b].')
    if p1 < p2:
      print('Item [b] saves you a bigger percentage than item [a].')
    if p1 == p2:
      print('Item [a] and item [b] will save you the same percentage.')

  while True:
    #Input prompt
    print('')
    terminate1= input("Do wish to terminate the program? (y/n): ")
    #'y' or 'n' Input
    if terminate1 == 'y' or terminate1 == 'n':
      #Code is parsed
      break
      #Break and exit loop
    else:
      print('')
      #Error prompt
      print('Please type in "y" to answer "Yes" and type in "n" to answer "No"')

  if terminate1 == 'y': #Inputted 'y'
    print('')
    print('[PROGRAM TERMINATING]...')
    sys.kill()
  if terminate1 == 'n': #Inputted 'n'
    print('[PROGRAM REPEATING]...')