Add solutions to section 2 exercises

Author: somacdivad

ch11-modules-and-packages/2-working-with-packages/packages_exercises/helpers/__init__.py

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+# Ch 11.2 - Working With Packages
+# __init__.py - Part of solution to Exercise 1

ch11-modules-and-packages/2-working-with-packages/packages_exercises/helpers/math.py

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+# Ch 11.2 - Working With Packages
+# helpers/math.py - Part of solution to Exercise 1
+
+
+def area(length, width):
+    return length * width

ch11-modules-and-packages/2-working-with-packages/packages_exercises/helpers/string.py

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+# Ch 11.2 - Working With Packages
+# helpers/string.py - Part of solution to Exercise 1
+
+
+def shout(string):
+    return string.upper()

ch11-modules-and-packages/2-working-with-packages/packages_exercises/main.py

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+# Ch 11.2 - Working With Packages
+# main.py - Solution to Exercise 2
+
+from helpers.string import shout
+from helpers.math import area
+
+
+length = 5
+width = 8
+message = f"The area of a {length}-by-{width} rectangle is {area(length, width)}"
+print(shout(message))