import pandas # Functions go here def int_check(question): """Checks users enter an integer that is more than zero (or the 'xxx' exit code)""" error = "Please enter an integer more than zero (ie: a number which does not have a decimal part)." while True: response = input(question).lower() # check for the exit code if response == "xxx": return response try: # Change the response to an integer and check that it's more than zero response = int(response) if response > 0: return response else: print(error) except ValueError: print(error) def not_blank(question): """Checks that a user response is not blank""" while True: response = input(question) if response != "": return response print("Sorry, this can't be blank. Please try again.\n") def string_check(question, valid_answers=('yes', 'no'), num_letters=1): """Checks that users enter the full word or the 'n' letter/s of a word from a list of valid responses""" while True: response = input(question).lower() for item in valid_answers: # check if the response is the entire word if response == item: return item # check if it's the first letter elif response == item[:num_letters]: return item print(f"Please choose an option from {valid_answers}") # Currency formatting function def currency(x): """Formats numbers as currency ($#.##)""" return "${:.2f}".format(x) # Main routine goes here # Initialise variables / non-default options for string checker payment_ans = ('cash', 'credit') # Ticket price list CHILD_PRICE = 7.50 ADULT_PRICE = 10.50 SENIOR_PRICE = 6.50 # Credit card surcharge (5%) CREDIT_SURCHARGE = 0.05 # Lists to hold ticket details all_names = [] all_ticket_costs = [] all_surcharges = [] mini_movie_dict = { 'Name': all_names, 'Ticket Price': all_ticket_costs, 'Surcharge': all_surcharges, } # Loop for testing purposes... while True: print() # Ask user for their name (and check it's not blank) name = not_blank("Name: ") if name == "xxx": break # Ask user for their age and check it's between 12 and 120 age = int_check("Age: ") # Output error message / success message if age < 12: print("Sorry you are too young for this movie") continue # Child ticket price is $7.50 elif age < 16: ticket_price = CHILD_PRICE # Adult ticket ($10.50) elif age < 65: ticket_price = ADULT_PRICE # Senior Citizen ticket ($6.50) elif age < 121: ticket_price = SENIOR_PRICE else: print("That looks like a typo (too old)") continue # Ask user for payment method (cash / credit / ca / cr) pay_method = string_check("Payment Method: ", payment_ans, 2) if pay_method == "cash": surcharge = 0 # If paying by credit, calculate surcharge else: surcharge = ticket_price * CREDIT_SURCHARGE # Add name, ticket cost and surcharge to 'all_lists' all_names.append(name) all_ticket_costs.append(ticket_price) all_surcharges.append(surcharge) # Create dataframe / table from dictionary mini_movie_frame = pandas.DataFrame(mini_movie_dict) # Calculate the total payable and profit for each ticket mini_movie_frame['Total'] = mini_movie_frame['Ticket Price'] + mini_movie_frame['Surcharge'] mini_movie_frame['Profit'] = mini_movie_frame['Ticket Price'] - 5 # Work out total paid and total profit total_paid = mini_movie_frame['Total'].sum() total_profit = mini_movie_frame['Profit'].sum() # Currency formatting (users currency function) add_dollars = ['Ticket Price', 'Surcharge', 'Total', 'Profit'] for var_item in add_dollars: mini_movie_frame[var_item] = mini_movie_frame[var_item].apply(currency) # Output movie frame without index print(mini_movie_frame.to_string(index=False)) print() print(f"Total Paid: ${total_paid:.2f}") print(f"Total Profit: ${total_profit:.2f}")