diff --git a/Chapter_11/README.md b/Chapter_11/README.md
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+Forgone the naming convention due to conflict with module naming and numbers in the file name. 
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diff --git a/Chapter_11/city_functions.py b/Chapter_11/city_functions.py
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+++ b/Chapter_11/city_functions.py
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+# Exercise 11-01 City, Country
+# Learning Objective: Create a unit test for a function and run it. 
+
+def create_city_string(city, country):
+    new_string = city.title() + ", " +  country.title()
+    return new_string
diff --git a/Chapter_11/test_cities.py b/Chapter_11/test_cities.py
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+++ b/Chapter_11/test_cities.py
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+from city_functions import create_city_string
+
+def test_city_country():
+    output_string = create_city_string("talahasse", "united states")
+    print(f"{output_string}")
+    assert output_string == "Talahasse, United States"
+
+test_city_country()
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