Add comments and move some functions to a class
This commit is contained in:
@@ -210,117 +210,135 @@ def prerelease_047822_india_2020():
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payments_number = [1, 48, 80]
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print("%d payment(s) of Rs %.2f" % (payments_number[payment_option - 1], cost / payments_number[payment_option - 1]))
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def get_input(dict):
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tmp = None
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while (not tmp):
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tmp = input().upper().strip()
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if (not tmp in dict.keys()):
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print("Please enter a valid product code.")
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device = None
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return tmp
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def print_details(dict):
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for item in dict.keys():
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print("%s: $%.2f, %s" % (item, dict[item][0], dict[item][1]))
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def print_chosen(dict, item):
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print("%s: %s" % (item, dict[item][1]))
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return dict[item][0]
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def prerelease_098421_uk_1_2020():
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# dictionaries of for items, prices and descriptions
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phones_dict = {"BPCM": (29.99, "Compact"),
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"BPSH": (49.99, "Clam Shell"),
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"RPSH": (199.99, "RoboPhone – 5-inch screen and 64 GB memory"),
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"RPLL": (499.99,"RoboPhone – 6-inch screen and 256 GB memory"),
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"YPLS": (549.99,"Y-Phone Standard – 6-inch screen and 64 GB memory"),
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"YPLL": (649.99, "Y-Phone Deluxe – 6-inch screen and 256 GB memory")}
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tablets_dict = {"RTMS": (149.99, "RoboTab – 8-inch screen and 64 GB memory"),
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"RTLM": (299.99, "RoboTab – 10-inch screen and 128 GB memory"),
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"YTLM": (499.99, "Y-Tab Standard – 10-inch screen and 128 GB memory"),
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"YTLL": (599.99, "Y-Tab Deluxe – 10-inch screen and 256 GB memory")}
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# 2020 Cambridge iGCSE Computer Science prerelease (UK 1)
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class prerelease_098421_uk_1_2020:
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def __init__(self):
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prerelease_098421_uk_1_2020.run(self)
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# dictionary for all devices (phones and tablets)
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devices_dict = {**phones_dict , **tablets_dict}
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# retrieve user input & validate it
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def get_input(self, dict):
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tmp = None
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# keep asking until input is valid
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while (not tmp):
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# get input, strip spaces and convert to uppercase
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tmp = input().upper().strip()
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# if input isn't a valid product code
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if (not tmp in dict.keys()):
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# print error
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print("Please enter a valid product code.")
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# reset input to blank, so user is asked again
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tmp = None
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# return input
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return tmp
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# dictionary for SIMs
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sims_dict = {"SMNO": (0.00, "SIM Free (no SIM card purchased)"),
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"SMPG": (9.99, "Pay As You Go (SIM card purchased)")}
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# print available options
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def print_details(self, dict):
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# for every item
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for item in dict.keys():
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# display product code, price and description
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print("%s: $%.2f, %s" % (item, dict[item][0], dict[item][1]))
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# dictionary for cases
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case_dict = {"CSST": (0.00, "Standard"),
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"CSLX": (50.00, "Luxury")}
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# dictionary for chargers
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charger_dict = {"CGCR": (19.99, "Car"),
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"CGHM": (15.99, "Home")}
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# print chosen option from dictionary and return cost
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def print_chosen(self, dict, item):
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# print product code and description
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print("%s: %s" % (item, dict[item][1]))
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# return cost
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return dict[item][0]
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# total cost
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total = 0
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# total amount of money saved
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saving = 0
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# ensure user is asked for input until they don't want more devices
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run = True
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# total number of devices ordered
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devices = 0
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def run(self):
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# dictionaries of for items, prices and descriptions
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phones_dict = {"BPCM": (29.99, "Compact"),
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"BPSH": (49.99, "Clam Shell"),
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"RPSH": (199.99, "RoboPhone – 5-inch screen and 64 GB memory"),
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"RPLL": (499.99,"RoboPhone – 6-inch screen and 256 GB memory"),
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"YPLS": (549.99,"Y-Phone Standard – 6-inch screen and 64 GB memory"),
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"YPLL": (649.99, "Y-Phone Deluxe – 6-inch screen and 256 GB memory")}
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# run until user doesn't want any more devices
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while run:
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# get chosen device
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print("Choose an option:")
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print_details(devices_dict)
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device = get_input(devices_dict)
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# increase number of devices ordered
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devices += 1
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# if phone chosen
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if (device in phones_dict.keys()):
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# get chosen SIM
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print("Choose an option:")
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print_details(sims_dict)
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sim_payg = get_input(sims_dict)
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tablets_dict = {"RTMS": (149.99, "RoboTab – 8-inch screen and 64 GB memory"),
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"RTLM": (299.99, "RoboTab – 10-inch screen and 128 GB memory"),
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"YTLM": (499.99, "Y-Tab Standard – 10-inch screen and 128 GB memory"),
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"YTLL": (599.99, "Y-Tab Deluxe – 10-inch screen and 256 GB memory")}
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# get chosen case
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print("Choose an option:")
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print_details(case_dict)
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case = get_input(case_dict)
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# dictionary for all devices (phones and tablets)
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devices_dict = {**phones_dict , **tablets_dict}
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# get chosen charger(s)
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print("Which charger(s) would you like? Enter the codes for those you want with a space between them, or enter nothing to choose neither")
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print_details(charger_dict)
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# create array of chosen chargers
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chargers = input().upper().split(" ")
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# remove invalid product codes
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for item in chargers:
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if item not in charger_dict:
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chargers.remove(item)
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# dictionary for SIMs
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sims_dict = {"SMNO": (0.00, "SIM Free (no SIM card purchased)"),
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"SMPG": (9.99, "Pay As You Go (SIM card purchased)")}
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# if not first device, apply discount
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if (devices > 1):
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# add cost of device to total
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total += 0.9 * print_chosen(devices_dict, device)
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# record discount applied
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saving += 0.1 * print_chosen(devices_dict, device)
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# if first device, don't apply discount
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else:
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# add cost of device to total
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total += print_chosen(devices_dict, device)
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# if phone chosen, add cost of SIM to total
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if (device in phones_dict):
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total += print_chosen(sims_dict, sim_payg)
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# add cost of chosen case to total
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total += print_chosen(case_dict, case)
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# add cost of chosen chargers to total
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for charger in chargers:
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total += print_chosen(charger_dict, charger)
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# print subtotal
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print("Subtotal: $%.2f" % total)
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# ask if user want another device, and keep running if they do
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run = True if (input("Would you like another device (y/n)?").lower().strip()[0] == "y") else False
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# print total cost and saving
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print("Total: $%.2f\nSaving: $%.2f" % (total, saving))
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# dictionary for cases
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case_dict = {"CSST": (0.00, "Standard"),
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"CSLX": (50.00, "Luxury")}
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# dictionary for chargers
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charger_dict = {"CGCR": (19.99, "Car"),
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"CGHM": (15.99, "Home")}
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# total cost
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total = 0
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# total amount of money saved
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saving = 0
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# ensure user is asked for input until they don't want more devices
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run = True
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# total number of devices ordered
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devices = 0
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# run until user doesn't want any more devices
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while run:
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# get chosen device
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print("Choose an option:")
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prerelease_098421_uk_1_2020.print_details(self, devices_dict)
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device = prerelease_098421_uk_1_2020.get_input(self, devices_dict)
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# increase number of devices ordered
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devices += 1
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# if phone chosen
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if (device in phones_dict.keys()):
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# get chosen SIM
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print("Choose an option:")
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prerelease_098421_uk_1_2020.print_details(self, sims_dict)
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sim_payg = prerelease_098421_uk_1_2020.get_input(self, sims_dict)
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# get chosen case
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print("Choose an option:")
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prerelease_098421_uk_1_2020.print_details(self, case_dict)
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case = prerelease_098421_uk_1_2020.get_input(self, case_dict)
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# get chosen charger(s)
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print("Which charger(s) would you like? Enter the codes for those you want with a space between them, or enter nothing to choose neither")
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prerelease_098421_uk_1_2020.print_details(self, charger_dict)
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# create array of chosen chargers
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chargers = input().upper().split(" ")
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# remove invalid product codes
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for item in chargers:
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if item not in charger_dict:
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chargers.remove(item)
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# if not first device, apply discount
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if (devices > 1):
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# add cost of device to total
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total += 0.9 * prerelease_098421_uk_1_2020.print_chosen(self, devices_dict, device)
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# record discount applied
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saving += 0.1 * prerelease_098421_uk_1_2020.print_chosen(self, devices_dict, device)
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# if first device, don't apply discount
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else:
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# add cost of device to total
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total += prerelease_098421_uk_1_2020.print_chosen(self, devices_dict, device)
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# if phone chosen, add cost of SIM to total
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if (device in phones_dict):
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total += prerelease_098421_uk_1_2020.print_chosen(self, sims_dict, sim_payg)
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# add cost of chosen case to total
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total += prerelease_098421_uk_1_2020.print_chosen(self, case_dict, case)
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# add cost of chosen chargers to total
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for charger in chargers:
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total += prerelease_098421_uk_1_2020.print_chosen(self, charger_dict, charger)
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# print subtotal
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print("Subtotal: $%.2f" % total)
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# ask if user want another device, and keep running if they do
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run = True if (input("Would you like another device (y/n)?").lower().strip()[0] == "y") else False
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# print total cost and saving
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print("Total: $%.2f\nSaving: $%.2f" % (total, saving))
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prerelease_098421_uk_1_2020()
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