Created
November 17, 2021 01:09
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| #!/usr/bin/env python3 | |
| BOTTLES_PER_MONTH_PER_STUDENT = 156 / 12 # https://www.jerseyislandholidays.com/plastic-bottle-pollution-statistics | |
| BOTTLE_PERCENT_PLASTIC = 0.291 # https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/plastics-material-specific-data | |
| BOTTLE_PERCENT_RECYCLED = 0.09 # https://www.greenmatters.com/p/what-percent-recycling-actually-gets-recycled | |
| AVERAGE_PLASTIC_GRAMS_PER_BOTTLE = 19 # https://www.wastecare.com/usefulinfo/PET-Plastic-Water-Soda-Bottles-Bale-Weights.htm | |
| AVERAGE_PLASTIC_GRAMS_PER_ID = 5 # https://www.uscreditcardguide.com/the-most-heavy-credit-cards-list/ | |
| while True: | |
| try: | |
| num_students = int(input('Number of students at school: ')) | |
| assert num_students > 0 | |
| num_months = int(input('How often you want us to produce cards (in months): ')) | |
| assert num_months > 0 | |
| except (ValueError, AssertionError): | |
| print('Input must be an integer greater than 0') | |
| exit(1) | |
| except KeyboardInterrupt: | |
| print('Goodbye!') | |
| exit(0) | |
| total_bottles = BOTTLES_PER_MONTH_PER_STUDENT * num_students * num_months * BOTTLE_PERCENT_PLASTIC | |
| num_recycled_bottles = total_bottles * BOTTLE_PERCENT_RECYCLED | |
| amount_plastic_recycled = num_recycled_bottles * AVERAGE_PLASTIC_GRAMS_PER_BOTTLE | |
| print('------') | |
| print('Number of grams of recycleable waste plastic over %d months: %dkg' % (num_months, amount_plastic_recycled // 1000)) | |
| num_ids = amount_plastic_recycled // AVERAGE_PLASTIC_GRAMS_PER_ID | |
| print('Number of ID cards we could produce: %d cards' % num_ids) | |
| print('Contact sales if your school would be interested in doing business with us!\n\n====================\n') |
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