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Added solutions for ex2.2

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David Beazley 2024-07-31 10:31:35 -05:00
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Exercises/soln2_2.md
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@ -18,6 +18,15 @@ maps the route name to the total ride count for that route. A `Counter` object
example, dictionaries of sets, nested dictionaries, etc. You might
need to do this to answer questions 3 and 4.
Even though no code is provided, here are some answers to the questions
so that you can check your work:
1. How many bus routes exist in Chicago? (Answer: 181)
2. How many people rode the number 22 bus on February 2, 2011? (Answer: 5055)
3. What is the total number of rides taken on each bus route? (Answer: for the top three routes, [('79', 133796763), ('9', 117923787), ('49', 95915008)])
4. What five bus routes had the greatest ten-year increase in ridership from 2001 to 2011? (Answer: [('15', 2732209), ('147', 2107910), ('66', 1612958), ('12', 1612067), ('14', 1351308)])
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