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13.7. Exercises

1. Fill in the left side of line 7 so that the following code runs without error

   def circleInfo(r): """ Return (circumference, area) of a circle of radius r """ c = 2 * 3.14159 * r a = 3.14159 * r * r return c, a = circleInfo(10) print("area is " + str(area)) print("circumference is " + str(circ))

2. Use a for loop to print out the last name, year of birth, and city for each of the people. (There are multiple ways you could do this. Try out some code and see what happens!)

   julia = ("Julia", "Roberts", 1967, "Duplicity", 2009, "Actress", "Atlanta, Georgia") claude = ("Claude", "Shannon", 1916, "A Mathematical Theory of Communication", 1948, "Mathematician", "Petoskey, Michigan") alan = ("Alan", "Turing", 1912, "Computing machinery and intelligence", 1950, "Mathematician", "London, England") people = [julia, claude, alan]

13.7.1. Contributed Exercises

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